Willamette (180 nm)

• Intel Family 15 Model 1
• All models support: MMX, SSE
  Streaming SIMD Extensions
  In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
  
  , SSE2
  SSE2
  SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
  
  
• Transistors
  Transistor
  A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
  
  : 42 million
• Die
  Die (integrated circuit)
  A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
  
   size: 217 mm²
• Steppings: B2, C1, D0

Northwood (130 nm)

• Intel Family 15 Model 2
• All models support: MMX, SSE
  Streaming SIMD Extensions
  In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
  
  , SSE2
  SSE2
  SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
  
  
• Hyper-Threading
  Hyper-threading
  Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
  
  : supported by the 3.06 GHz Pentium 4.
• Model SL68R has box version only, supplied with unattached fan heatsink.
• Transistors
  Transistor
  A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
  
  : 55 million
• Die
  Die (integrated circuit)
  A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
  
   size: 146 mm² (B0) and 131 mm² (C1, D1)
• Steppings: B0, C1, D1

  Model Number	sSpec number	Core Stepping	Frequency	L2-Cache	Front Side Bus Front side bus A front-side bus is a computer communication interface often used in computers during the 1990s and 2000s.It typically carries data between the central processing unit and a memory controller hub, known as the northbridge....	Multiplier	Voltage	TDP Thermal Design Power The thermal design power , sometimes called thermal design point, refers to the maximum amount of power the cooling system in a computer is required to dissipate. For example, a laptop's CPU cooling system may be designed for a 20 watt TDP, which means that it can dissipate up to 20 watts of heat...	Socket	Release Date	Part Number(s)	Release Price (USD)
  Pentium 4 1.6A	SL62S	B0	1.6 GHz	512 KB	400 MT/s	16×	1.475 V	38 W	Socket 478 Socket 478 Socket 478 is a 478-contact CPU socket used for Intel's Pentium 4 and Celeron series CPUs.Socket 478 was launched with the Northwood core to compete with AMD's 462-pin Socket A and their Athlon XP processors. Socket 478 was intended to be the replacement for Socket 423, a Willamette-based...	January 2002	RK80534PC025512
  Pentium 4 1.6A	SL668	B0	1.6 GHz	512 KB	400 MT/s	16×	1.5 V	46.8 W	Socket 478	January 2002	BX80532PC1600D
  Pentium 4 1.8A	SL68Q SL63X SL62P	B0	1.8 GHz	512 KB	400 MT/s	18×	1.475/1.5/1.525 V	49.6 W	Socket 478	January 2002	RK80532PC033512
  Pentium 4 1.8A	SL6LA	C1	1.8 GHz	512 KB	400 MT/s	18×	1.525 V	66.1 W	Socket 478		BX80532PC1800D RK80532PC033512
  Pentium 4 2.0	SL6GQ SL6S7	C1	2 GHz	512 KB	400 MT/s	20×	1.525 V	54.3 W	Socket 478		RK80532PC041512 BX80532PC2000D	$70
  Pentium 4 2.0A	SL5YR SL66R SL68R	B0	2 GHz	512 KB	400 MT/s	20×	1.5 V	52.4 W	Socket 478	January 7, 2002	RK80532PC041512 BX80532PC2000D
  Pentium 4 2.2	SL66S	B0	2.2 GHz	512 KB	400 MT/s	22×	1.5 V	55.1 W	Socket 478	January 7, 2002	RK80532PC049512
  Pentium 4 2.26	SL6D6	B0	2.26 GHz	512 KB	533 MT/s	17×	1.5 V	56 W	Socket 478		RK80532PE051512
  Pentium 4 2.26	SL6RY	C1	2.26 GHz	512 KB	533 MT/s	17×	1.53 V	58 W	Socket 478		RK80532PE051512
  Pentium 4 2.26	SL6PB	D1	2.26 GHz	512 KB	533 MT/s	17×	1.525 V	58 W	Socket 478		RK80532PE051512
  Pentium 4 2.4	SL65R SL6GS SL6S9	B0 C1 C1	2.4 GHz	512 KB	400 MT/s	24×	1.525 V	57.8 W 59.8 W 59.8 W	Socket 478	April 2, 2002	BX80532PC2400D RK80532PC056512	$70
  Pentium 4 2.4B	SL6PC SL6RZ	D1 C1	2.4 GHz	512 KB	533 MT/s	18×	1.525/1.53 V	59.8 W	Socket 478	May 6, 2002	BX80532PE2400D RK80532PE056512
  Pentium 4 2.4	SL6EF SL6SH	C1	2.4 GHz	512 KB	533 MT/s	18×	1.525 V	59.8 W	Socket 478		BX80532PE2400D RK80532PE056512
  Pentium 4 2.5	SL6PN	D1	2.5 GHz	512 KB	400 MT/s	25×	1.53 V	61 W	Socket 478	August 25, 2002	RK80532PC060512
  Pentium 4 2.53	SL6D8 SL6DW	B0	2.53 GHz	512 KB	533 MT/s	19×	1.53 V	61.5 W	Socket 478	May 6, 2002	RK80532PE061512
  Pentium 4 2.6	SL6SB SL6PP	C1 D1	2.6 GHz	512 KB	400 MT/s	26×	1.475/1.53 V	62.6 W	Socket 478	August 25, 2002	BX80532PC2600D RK80532PC064512	$70
  Pentium 4 2.66	SL6PE SL6QA	D1 D1	2.66 GHz	512 KB	533 MT/s	20×	1.475/1.525 V	66.1 W	Socket 478	August 25, 2002	RK80532PE067512
  Pentium 4 2.8	SL7EY	D1	2.8 GHz	512 KB	400 MT/s	28×	1.475/1.525 V	68.4 W	Socket 478	November 2002	RK80532PC072512
  Pentium 4 2.8	SL6HL SL6K6 SL6PF SL6QB SL6S4	C1 C1 D1 D1 C1	2.8 GHz	512 KB	533 MT/s	21×	1.525–1.53 V	68.4 W	Socket 478	August 25, 2002	BX80532PE2800D RK80532PE072512
  Pentium 4 3.0	SL6YH SL74Q	C1	3.0 GHz	512 KB	400 MT/s	30×	1.55 V	~80 W	Socket 478		RK80532PC080512 RK80532NC080512
  Pentium 4 3.06	SL6K7 SL6JJ SL6PG SL6QC SL6S5 SL6SM	C1 C1 D1 D1 C1 C1	3.06 GHz	512 KB	533 MT/s	23×	1.525–1.55 V	81.8 W	Socket 478		BX80532PE3066D RK80532PE083512

Prescott (90 nm)

• Intel Family 15 Model 3 (C0,D0), Intel Family 15 Model 4 (E0, G1)
• All models support: MMX, SSE
  Streaming SIMD Extensions
  In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
  
  , SSE2
  SSE2
  SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
  
  , SSE3
  SSE3
  SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
  
  
• Intel 64: supported by 5x6, 511, and 519K
• XD bit (an NX bit
  NX bit
  The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions or for storage of data, a feature normally only found in Harvard architecture processors...
  
   implementation): supported by 5x5J, 519J, and all Intel 64-compatible models
• Transistors
  Transistor
  A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
  
  : 125 million
• Die
  Die (integrated circuit)
  A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
  
   size: 112 mm²
• Steppings: C0, D0, E0, G1

  Model Number	sSpec number	Core Stepping	Frequency	L2-Cache	Front Side Bus Front side bus A front-side bus is a computer communication interface often used in computers during the 1990s and 2000s.It typically carries data between the central processing unit and a memory controller hub, known as the northbridge....	Multiplier	Voltage	TDP Thermal Design Power The thermal design power , sometimes called thermal design point, refers to the maximum amount of power the cooling system in a computer is required to dissipate. For example, a laptop's CPU cooling system may be designed for a 20 watt TDP, which means that it can dissipate up to 20 watts of heat...	Socket	Release Date	Part Number(s)
  Pentium 4 2.40A	SL7E8	C0	2.40 GHz	1024 KB	533 MT/s	18×	1.25/1.4 V	89 W	Socket 478 Socket 478 Socket 478 is a 478-contact CPU socket used for Intel's Pentium 4 and Celeron series CPUs.Socket 478 was launched with the Northwood core to compete with AMD's 462-pin Socket A and their Athlon XP processors. Socket 478 was intended to be the replacement for Socket 423, a Willamette-based...	March 2004	B80546PE0561M RK80546PG0561M
  Pentium 4 2.66A	SL8B3	E0	2.66 GHz	1024 KB	533 MT/s	20×	1.25/1.4 V	89 W	Socket 478		RK80546PE0671M
  Pentium 4 2.80	SL8JX SL88G	G1 E0	2.80 GHz	1024 KB	533 MT/s	21×	1.25/1.4 V	89 W	Socket 478	February 1, 2004	RK80546PE0721M NE80546PE0721M B80546PE0561M
  Pentium 4 2.80A	SL7D8 SL7E2 SL7PK	C0 D0 E0	2.80 GHz	1024 KB	533 MT/s	21×	1.25/1.4 V	89 W	Socket 478	February 1, 2004	RK80546PE0721M NE80546PE0721M
  Pentium 4 505	SL7YU	D0	2.66 GHz	1024 KB	533 MT/s	20×	1.25/1.388 V	84 W	LGA 775	December 2004	JM80547PE0671M
  Pentium 4 505J	SL85U	E0	2.66 GHz	1024 KB	533 MT/s	20×	1.25/1.388 V	84 W	LGA 775	December 2004	JM80547PE0671M
  Pentium 4 506	SL8J8	E0	2.66 GHz	1024 KB	533 MT/s	20×	1.25/1.4 V	84 W	LGA 775	June 2005	JM80547PE0671MN
  Pentium 4 511	SL9CJ SL8U5	G1 E0	2.80 GHz	1024 KB	533 MT/s	21×	1.25/1.4 V	84 W	LGA 775	2005	HH80547PE0721MN JM80547PE0721MN
  Pentium 4 515	SL7YV	D0	2.93 GHz	1024 KB	533 MT/s	22×	1.25/1.388 V	84 W	LGA 775	December 2004	JM80547PE0771M
  Pentium 4 515J	SL85V	E0	2.93 GHz	1024 KB	533 MT/s	22×	1.25/1.388 V	84 W	LGA 775	December 2004	JM80547PE0771M
  Pentium 4 516	SL8J9	E0	2.93 GHz	1024 KB	533 MT/s	22×	1.25/1.4 V	84 W	LGA 775	September 2005	JM80547PE0771MN
  Pentium 4 519J	SL87L	E0	3.06 GHz	1024 KB	533 MT/s	23×	1.25/1.388 V	84 W	LGA 775	December 2004	JM80547PE0831M
  Pentium 4 519K	SL8JA SL8PN	E0 G1	3.06 GHz	1024 KB	533 MT/s	23×	1.25/1.4 V	84 W	LGA 775	2005	JM80547PE0831MN HH80547PE0831MN

Northwood (130 nm)

• All models support: MMX, SSE
  Streaming SIMD Extensions
  In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
  
  , SSE2
  SSE2
  SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
  
  , Hyper-Threading
  Hyper-threading
  Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
  
  
• Transistors
  Transistor
  A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
  
  : 55 million
• Die
  Die (integrated circuit)
  A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
  
   size: 131 mm²
• Steppings: D1, M0

  Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)
  Pentium 4 HT 2.4C	SL6WF (D1) SL6Z3 (M0)	2.4 GHz	512 KB	800 MT/s	12×	1.475–1.525 V	66.2 W	Socket 478	May 21, 2003	RK80532PG056512
  Pentium 4 HT 2.6C	SL6WH (D1) SL6Z4 (M0)	2.6 GHz	512 KB	800 MT/s	13×	1.475–1.525 V	69 W	Socket 478	May 21, 2003	RK80532PG064512
  Pentium 4 HT 2.8C	SL6WJ (D1) SL6WT (D1) SL78Y (D1) SL6Z5 (M0)	2.8 GHz	512 KB	800 MT/s	14×	1.475–1.525 V	69.7 W	Socket 478	May 21, 2003	RK80532PG072512 RK80532RC052128 SL6WJ - Costa Rica Fab
  Pentium 4 HT 3.0	SL6WK (D1) SL78Z (D1)	3 GHz	512 KB	800 MT/s	15×	1.475–1.55 V	81.9 W	Socket 478	April 14, 2003	RK80532PG080512
  Pentium 4 HT 3.2	SL792 (D1) SL6WG (D1)	3.2 GHz	512 KB	800 MT/s	16×	1.475–1.55 V	82 W	Socket 478	June 23, 2003	RK80532PG088512
  Pentium 4 HT 3.4	SL793 (D1)	3.4 GHz	512 KB	800 MT/s	17×	1.475–1.55 V	89 W	Socket 478	February 2, 2004	RK80532PG096512

  
  

  Prescott (90 nm)

  • All models support: MMX, SSE
    Streaming SIMD Extensions
    In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
    
    , SSE2
    SSE2
    SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
    
    , SSE3
    SSE3
    SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
    
    , Hyper-Threading
    Hyper-threading
    Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
    
    
  • Intel 64: supported by F-series, 5x1, 517, 524
  • XD bit (an NX bit
    NX bit
    The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions or for storage of data, a feature normally only found in Harvard architecture processors...
    
     implementation): supported by 5x0J, 5x1, 517, 524
  • Intel Family 15 Model 3
  • Model SL7E4 has an unattached fan heatsink.
  • Transistors
    Transistor
    A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
    
    : 125 million
  • Die
    Die (integrated circuit)
    A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
    
     size: 112 mm²
  • Steppings:

    Model Number	sSpec number	Frequency	L2-Cache	Front Side Bus Front side bus A front-side bus is a computer communication interface often used in computers during the 1990s and 2000s.It typically carries data between the central processing unit and a memory controller hub, known as the northbridge....	Multiplier	Voltage	TDP Thermal Design Power The thermal design power , sometimes called thermal design point, refers to the maximum amount of power the cooling system in a computer is required to dissipate. For example, a laptop's CPU cooling system may be designed for a 20 watt TDP, which means that it can dissipate up to 20 watts of heat...	Socket	Release Date	Part Number(s)	Release Price (USD)
    Pentium 4 HT 2.8E	SL79K, SL7PL, SL88H, SL7E3, SL7KA	2.80 GHz	1024 KB	800 MT/s	14×	1.25/1.525 V 1.25/1.4 V	89 W	Socket 478 Socket 478 Socket 478 is a 478-contact CPU socket used for Intel's Pentium 4 and Celeron series CPUs.Socket 478 was launched with the Northwood core to compete with AMD's 462-pin Socket A and their Athlon XP processors. Socket 478 was intended to be the replacement for Socket 423, a Willamette-based...	February 1, 2004	RK80546PG0721M BX80546PG2800E
    Pentium 4 HT 3.0E	SL8JZ, SL7L4, SL7E4, SL88J, SL79L, SL7KB, SL7PM	3.00 GHz	1024 KB	800 MT/s	15×	1.25/1.4/	89 W	Socket 478	February 1, 2004	NE80546PG0961M RK80546PG0961M
    Pentium 4 HT 3.2E	SL7E5, SL7PN, SL7KC	3.20 GHz	1024 KB	800 MT/s	16×	1.25/1.4 V	89 W	Socket 478	April 2004	BX80546PG3200E RK80546PG0881M
    Pentium 4 HT 3.2F	SL7LA	3.20 GHz	1024 KB	800 MT/s	16×	1.25/1.4 V	103 W	LGA 775	August 2004
    Pentium 4 HT 3.4	SL7E6	3.40 GHz	1024 KB	800 MT/s	17×	1.25/1.4 V	103 W	Socket 478 Socket 478 Socket 478 is a 478-contact CPU socket used for Intel's Pentium 4 and Celeron series CPUs.Socket 478 was launched with the Northwood core to compete with AMD's 462-pin Socket A and their Athlon XP processors. Socket 478 was intended to be the replacement for Socket 423, a Willamette-based...	February 2004
    Pentium 4 HT 3.4F	SL7L8	3.40 GHz	1024 KB	800 MT/s	17×	1.25/1.4 V	115 W	LGA 775	August 2004
    Pentium 4 HT 3.6F	SL7L9	3.60 GHz	1024 KB	800 MT/s	18×	1.25/1.4 V	115 W	LGA 775	August 4, 2004
    Pentium 4 HT 3.8F	SL7P2	3.80 GHz	1024 KB	800 MT/s	19×	1.25/1.4 V	115 W	LGA 775	November 2004
    Pentium 4 HT 517	SL8ZY, SL9CD	2.93 GHz	1024 KB	533 MT/s	22×	1.25/1.4 V	84 W	LGA 775	September 2005	HH80547PE0771MM
    Pentium 4 HT 520	SL7J4, SL7J5, SL7KJ	2.80 GHz	1024 KB	800 MT/s	14×	1.25/1.4 V	84 W	LGA 775	June 2004	JM80547PG0721M
    Pentium 4 HT 520J	SL7PR	2.80 GHz	1024 KB	800 MT/s	14×	1.25/1.4 V	84 W	LGA 775	October 2004	JM80547PG0721M
    Pentium 4 HT 521	SL8HX, SL8PP, SL9CG	2.80 GHz	1024 KB	800 MT/s	14×	1.25/1.4 V	84 W	LGA 775	June 12, 2005	JM80547PG0721MM HH80547PG0721MM
    Pentium 4 HT 524	SL8ZZ, SL9CA	3.06 GHz	1024 KB	533 MT/s	23×	1.25/1.4 V	84 W	LGA 775	September 2005	HH80547PE0831MM
    Pentium 4 HT 530	SL7J6, SL7KK	3.00 GHz	1024 KB	800 MT/s	15×	1.25/1.4 V	84 W	LGA 775	June 2004	JM80547PG0801M	$97
    Pentium 4 HT 530J	SL7PU, SL82X	3.00 GHz	1024 KB	800 MT/s	15×	1.25/1.4 V	84 W	LGA 775	October 2004	JM80547PG0801M	$97
    Pentium 4 HT 531	SL8HZ, SL8PQ, SL9CB	3.00 GHz	1024 KB	800 MT/s	15×	1.25/1.4 V	84 W	LGA 775	June 12, 2005	JM80547PG0801M HH80547PG0801M	$68
    Pentium 4 HT 540	SL7PX, SL7J7, SL7KL	3.20 GHz	1024 KB	800 MT/s	16×	1.25/1.4 V	84 W	LGA 775	June 21, 2004	JM80547PG0881M	$227
    Pentium 4 HT 540J	SL7PW, SL82Z	3.20 GHz	1024 KB	800 MT/s	16×	1.25/1.4 V	84 W	LGA 775	October 2004	JM80547PG0881M	$227
    Pentium 4 HT 541	SL9C6, SL8PR, SL8J2	3.20 GHz	1024 KB	800 MT/s	16×	1.25/1.4 V	84 W	LGA 775	June 12, 2005	JM80547PG0881MM HH80547PG0881MM
    Pentium 4 HT 550	SL7J8, SL7KM	3.40 GHz	1024 KB	800 MT/s	17×	1.25/1.4 V	115 W	LGA 775	June 21, 2004	JM80547PG0961M	$289
    Pentium 4 HT 550	SL7PP	3.40 GHz	1024 KB	800 MT/s	17×	1.287/1.4 V	115 W	Socket 478	Q2, 2004	RK80546PG0961M
    Pentium 4 HT 550J	SL7PY, SL833	3.40 GHz	1024 KB	800 MT/s	17×	1.25/1.4 V	115 W	LGA 775	October 2004	JM80547PG0961M	$289
    Pentium 4 HT 551	SL8PS, SL7PZ, SL9C5, SL8J5	3.40 GHz	1024 KB	800 MT/s	17×	1.25/1.4 V	115 W	LGA 775	June 12, 2005	JM80547PG0961MM HH80547PG0961MM	$117
    Pentium 4 HT 550 (G1)	SL8K4	3.40 GHz	1024 KB	800 MT/s	17×	1.2/1.425 V	115 W	Socket 478	January 27, 2006	RK80546PG0961M NE80546PG0961M
    Pentium 4 HT 560	SL7L9, SL7NZ, SL7J9, SL7KN	3.60 GHz	1024 KB	800 MT/s	18×	1.25/1.4 V	115 W	LGA 775	June 21, 2004	JM80547PG1041M
    Pentium 4 HT 560J	SL84X, SL7Q2	3.60 GHz	1024 KB	800 MT/s	18×	1.25/1.4 V	115 W	LGA 775	October 2004	JM80547PG1041M
    Pentium 4 HT 561	SL8J6	3.60 GHz	1024 KB	800 MT/s	18×	1.25/1.4 V	115 W	LGA 775	June 12, 2005	JM80547PG1041MM
    Pentium 4 HT 570J	SL84Y, SL82U	3.80 GHz	1024 KB	800 MT/s	19×	1.25/1.4 V	115 W	LGA 775	November 12, 2004	JM80547PG1121M
    Pentium 4 HT 571	SL8J7	3.80 GHz	1024 KB	800 MT/s	19×	1.25/1.4 V	115 W	LGA 775	June 12, 2005	JM80547PG1121MM JM80547PG1121M

    
    

    Prescott 2M (90 nm)

    • Intel Family 15 Model 4
    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , SSE3
      SSE3
      SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      , Intel 64, XD bit (an NX bit
      NX bit
      The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions or for storage of data, a feature normally only found in Harvard architecture processors...
      
       implementation)
    • Intel VT-x supported by: 6x2 e.g. Model 662 and 672
    • Enhanced Intel SpeedStep
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
       Technology (EIST) supported by: all except 620.
    • Transistors
      Transistor
      A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
      
      : 169 million
    • Die
      Die (integrated circuit)
      A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
      
       size: 135 mm²
    • Steppings: N0, R0

      Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus Front side bus A front-side bus is a computer communication interface often used in computers during the 1990s and 2000s.It typically carries data between the central processing unit and a memory controller hub, known as the northbridge....	Mult	Voltage	TDP Thermal Design Power The thermal design power , sometimes called thermal design point, refers to the maximum amount of power the cooling system in a computer is required to dissipate. For example, a laptop's CPU cooling system may be designed for a 20 watt TDP, which means that it can dissipate up to 20 watts of heat...	Socket CPU socket A CPU socket or CPU slot is a mechanical component that provides mechanical and electrical connections between a microprocessor and a printed circuit board . This allows the CPU to be replaced without soldering....	Release Date	Part Number(s)	Release Price (USD)
      Pentium 4 HT 620	SL8AB (N0)	2.8 GHz	2 MB	800 MT/s	14×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	JM80547PG0722MM JM80547PH1072MM
      Pentium 4 HT 630	SL7Z9 (N0)	3 GHz	2 MB	800 MT/s	15×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	JM80547PG0802M	$224
      	SL8Q7 (R0)									HH80547PG0802MM
      Pentium 4 HT 640	SL7Z8 (N0)	3.2 GHz	2 MB	800 MT/s	16×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	JM80547PG0882M	$273
      	SL8Q6 (R0)									HH80547PG0882MM
      Pentium 4 HT 650	SL7Z7 (N0)	3.4 GHz	2 MB	800 MT/s	17×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	JM80547PG0962M	$401
      	SL8Q5 (R0)									HH80547PG0962MM
      Pentium 4 HT 660	SL7Z5 (N0)	3.6 GHz	2 MB	800 MT/s	18×	1.2–1.4 V	115 W	LGA 775	February 20, 2005	JM80547PG1042M	$605
      	SL8PZ (R0)									HH80547PG1042MM
      Pentium 4 HT 662	SL8QB, SL8UP (R0)	3.6 GHz	2 MB	800 MT/s	18×	1.2–1.4 V	115 W	LGA 775	November 14, 2005	HH80547PG1042MH	$401
      Pentium 4 HT 670	SL7Z3 (N0)	3.8 GHz	2 MB	800 MT/s	19×	1.2–1.4 V	115 W	LGA 775	May 26, 2005	JM80547PG1122M	$851
      	SL8PY (R0)									HH80547PG1122MM
      Pentium 4 HT 672	SL8Q9 (R0)	3.8 GHz	2 MB	800 MT/s	19×	1.2–1.4 V	115 W	LGA 775	November 14, 2005	HH80547PG1122MH	$605

    
    Some Intel processors were released with HT technology, but actually supported HT only in some cases. One such example is processor 2.8 with FSB 533MHZ L2 cache 1MB. After this defect, the processor was replaced by another with the same configuration except for an 800 MHZ FSB.
    

    Cedar Mill (65 nm)

    • Intel Family 15 Model 6
    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , SSE3
      SSE3
      SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      , Intel 64, XD bit (an NX bit
      NX bit
      The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions or for storage of data, a feature normally only found in Harvard architecture processors...
      
       implementation)
    • Transistors
      Transistor
      A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
      
      : 188 million
    • Die
      Die (integrated circuit)
      A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
      
       size: 81 mm²
    • Steppings: B1, C1, D0
    • Enhanced Intel SpeedStep
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
       Technology (EIST) supported by: C1, D0

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
      Pentium 4 HT 631	SL8WJ, SL94Y (B1)	3 GHz	2 MB	800 MT/s	15×	1.25–1.325 V	86 W	LGA 775	January 5, 2006	HH80552PG0802M	$178
      	SL96L (C1)					1.2–1.3375 V			April 12, 2006
      	SL9KG (D0)					1.2–1.325 V	65 W		N/A
      Pentium 4 HT 641	SL8WH, SL94X (B1)	3.2 GHz	2 MB	800 MT/s	16×	1.25–1.4 V	86 W	LGA 775	January 5, 2006	HH80552PG0882M	$218
      	SL96K (C1)					1.2–1.325 V			April 16, 2006
      	SL9KF (D0)						65 W		N/A
      Pentium 4 HT 651	SL8WG, SL94W (B1)	3.4 GHz	2 MB	800 MT/s	17×	1.25–1.4 V	86 W	LGA 775	January 5, 2006	HH80552PG0962M	$273
      	SL96J (C1)					1.2–1.325 V			April 16, 2006
      	SL9KE (D0)						65 W		N/A
      Pentium 4 HT 661	SL8WF, SL94V (B1)	3.6 GHz	2 MB	800 MT/s	18×	1.25–1.4 V	86 W	LGA 775	January 5, 2006	HH80552PG1042M	$401
      	SL96H (C1)					1.2–1.325 V			April 16, 2006
      	SL9KD (D0)						65 W		N/A

    
    

    Gallatin (130 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      
    • Transistors
      Transistor
      A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
      
      : 169 million
    • Die
      Die (integrated circuit)
      A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
      
       size: 237 mm²
    • Steppings: M0

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
      Pentium 4 Extreme Edition 3.2	SL7AA (M0)	3.2 GHz	2 MB	800 MT/s	16×	1.575 V	92.1 W	Socket 478	November 3, 2003	BX80532PG3200F RK80532PG0882M	N/A
      Pentium 4 Extreme Edition 3.4	SL7CH (M0)	3.4 GHz	2 MB	800 MT/s	17×	1.575 V	102.9 W	Socket 478	February 2, 2004	BX80532PG3400F RK80532PG0962M	N/A
      Pentium 4 Extreme Edition 3.4	SL7GD (M0)	3.4 GHz	2 MB	800 MT/s	17x	0.956–1.052 V	109.6 W	LGA 775	June 21, 2004	BX80532PH3400FS JM80532PG0962M	N/A
      	SL7RR (M0)					1.25–1.4 V			N/A	BX80532PH3400FS B80532PG0962MS	N/A
      Pentium 4 Extreme Edition 3.46	SL7NF (M0)	3.46 GHz	2 MB	1066 MT/s	13×	1.287–1.4 V	110.7 W	LGA 775	October 31, 2004	BX80532PH3460FS JM80532PH0992M	$999
      	SL7RT (M0)								N/A	BX80532PH3460FS B80532PH0992MS

    
    

    Prescott 2M (90 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , SSE3
      SSE3
      SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      , EIST
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
      , Intel 64, XD bit (an NX bit
      NX bit
      The NX bit, which stands for No eXecute, is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions or for storage of data, a feature normally only found in Harvard architecture processors...
      
       implementation)
    • Transistors
      Transistor
      A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...
      
      : 169 million
    • Die
      Die (integrated circuit)
      A die in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.Typically, integrated circuits are produced in large batches on a single wafer of electronic-grade silicon or other semiconductor through processes such as...
      
       size: 135 mm²
    • Steppings: N0

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
      Pentium 4 Extreme Edition 3.73	SL7Z4 (N0)	3.73 GHz	2 MB	1066 MT/s	14×	1.25–1.388 V	115 W	LGA 775	February 21, 2005	JM80547PH1092M	$999
      							95 W			BX80547PH3733F
      							65 W			JM80547PH1092MM

    
    

    Northwood (130 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , IST
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
      
    • Die Size: 131 mm²
    • Package Size: 35 mm × 35 mm

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
      Pentium 4-M 1.4	SL5ZH SL5ZW	1.4 GHz	512 KB	400 MT/s	14×	1.3 V	25.8 W	Socket 478	April 23, 2002	RH80532GC017512	N/A
      Pentium 4-M 1.5	SL6CF SL5YT SL5ZX	1.5 GHz	512 KB	400 MT/s	15×	1.3 V	26.9 W	Socket 478	April 23, 2002	RH80532GC025512	N/A
      Pentium 4-M 1.6	SL6FF SL6CG SL5YU SL5ZY	1.6 GHz	512 KB	400 MT/s	16×	1.3 V	30 W	Socket 478	March 4, 2002	RH80532GC025512	N/A
      Pentium 4-M 1.7	SL5Z7	1.7 GHz	512 KB	400 MT/s	17×	1.3 V	30 W	Socket 478	March 4, 2002	RH80532GC029512	N/A
      Pentium 4-M 1.8	SL6V7 SL6CJ SL6FH SL65Q SL69D	1.8 GHz	512 KB	400 MT/s	18×	1.3 V	30 W	Socket 478	April 23, 2002	RH80532GC033512	N/A
      Pentium 4-M 1.9	SL6V8 SL6CK SL6FJ SL6DE	1.9 GHz	512 KB	400 MT/s	19×	1.3 V	32 W	Socket 478	June 24, 2002	RH80532GC037512	N/A
      Pentium 4-M 2.0	SL6V9 SL6CL SL6FK SL6DF	2 GHz	512 KB	400 MT/s	20×	1.3 V	32 W	Socket 478	June 24, 2002	RH80532GC041512	N/A
      Pentium 4-M 2.2	SL6J5 SL6VB	2.2 GHz	512 KB	400 MT/s	22×	1.3 V	35 W	Socket 478	September 16, 2002	RH80532GC049512	N/A
      Pentium 4-M 2.4	SL6LS SL6K5 SL6VC	2.4 GHz	512 KB	400 MT/s	24×	1.3 V	35 W	Socket 478	January 14, 2003	RH80532GC056512	$562
      Pentium 4-M 2.5	SL6P2 SL6WY	2.5 GHz	512 KB	400 MT/s	25×	1.3 V	35 W	Socket 478	April 16, 2003	RH80532GC060512	$562
      Pentium 4-M 2.6	SL6WZ	2.6 GHz	512 KB	400 MT/s	26×	1.3 V	35 W	Socket 478	June 11, 2003	RH80532GC064512	N/A

    
    

    Northwood (130 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , IST
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)
      Mobile Pentium 4 2.4	SL723 (D1)	2.4 GHz	512 KB	533 MT/s	18×	1.2–1.55 V	59.8 W	Socket 478	June 11, 2003	RK80532GE056512
      Mobile Pentium 4 2.66	SL724 (D1)	2.66 GHz	512 KB	533 MT/s	20×	1.2–1.55 V	66.1 W	Socket 478	June 11, 2003	RK80532GE067512
      Mobile Pentium 4 2.8	SL725 (D1)	2.8 GHz	512 KB	533 MT/s	21×	1.2–1.55 V	68.4 W	Socket 478	June 11, 2003	RK80532GE072512
      Mobile Pentium 4 3.06	SL726 (D1)	3.06 GHz	512 KB	533 MT/s	23×	1.2–1.55 V	70 W	Socket 478	June 11, 2003	RK80532GE083512

    
    

    Northwood (130 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , IST
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)
      Mobile Pentium 4 HT 2.4	SL723 (D1)	2.4 GHz	512 KB	533 MT/s	18×	1.2V-1.55V	59.8 W	Socket 478	September 23, 2003	RK80532GE056512
      Mobile Pentium 4 HT 2.66	SL77M (D1)	2.66 GHz	512 KB	533 MT/s	20×	1.2V-1.55V	66.1 W	Socket 478	September 23, 2003	RK80532HE067512
      Mobile Pentium 4 HT 2.8	SL77N (D1)	2.8 GHz	512 KB	533 MT/s	21×	1.2V-1.55V	68.4 W	Socket 478	September 23, 2003	RK80532HE072512
      Mobile Pentium 4 HT 3.06	SL77P (D1)	3.06 GHz	512 KB	533 MT/s	23×	1.2V-1.55V	70 W	Socket 478	September 23, 2003	RK80532HE083512
      Mobile Pentium 4 HT 3.2	SL77R (D1)	3.2 GHz	512 KB	533 MT/s	24×	1.2V-1.55V	76 W	Socket 478	September 23, 2003	RK80532HE088512

    
    

    Prescott (90 nm)

    • All models support: MMX, SSE
      Streaming SIMD Extensions
      In computing, Streaming SIMD Extensions is a SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMD's 3DNow! . SSE contains 70 new instructions, most of which work on single precision floating point...
      
      , SSE2
      SSE2
      SSE2, Streaming SIMD Extensions 2, is one of the Intel SIMD processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2001. It extends the earlier SSE instruction set, and is intended to fully supplant MMX. Intel extended SSE2 to create SSE3...
      
      , SSE3
      SSE3
      SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions , is the third iteration of the SSE instruction set for the IA-32 architecture. Intel introduced SSE3 in early 2004 with the Prescott revision of their Pentium 4 CPU...
      
      , IST
      SpeedStep
      SpeedStep is a trademark for a series of dynamic frequency scaling technologies built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed by software...
      
      , Tm2
      Tm2
      TM2, or "Thermal Monitoring 2", is a throttling control method used on LGA 775 versions of the Pentium 4, Pentium D and Celeron processors and also on the Pentium M series of processors. TM2 reduces processor temperature by lowering the CPU clock multiplier, and thereby the processor core speed...
      
      , Hyper-Threading
      Hyper-threading
      Hyper-threading is Intel's term for its simultaneous multithreading implementation in its Atom, Intel Core i3/i5/i7, Itanium, Pentium 4 and Xeon CPUs....
      
      
    • Steppings: D0, E0

      Model Number	sSpec Number	Clock Speed	L2 Cache	FSB Speed	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
      Mobile Pentium 4 HT 518	SL7DS (D0)	2.8 GHz	1 MB	533 MT/s	21×	1.25–1.4 V	88 W	Socket 478	June 1, 2004	RK80546HE0721M	$202
      	SL7N8 (E0)								October 1, 2004
      Mobile Pentium 4 HT 532	SL7DT (D0)	3.06 GHz	1 MB	533 MT/s	23×	1.25–1.4 V	88 W	Socket 478	June 1, 2004	RK80546HE0831M	$234
      	SL7NA (E0)								October 1, 2004
      Mobile Pentium 4 HT 538	SL7DU (D0)	3.2 GHz	1 MB	533 MT/s	24×	1.25–1.4 V	88 W	Socket 478	June 1, 2004	RK80546HE0881M	$294
      	SL7NB (E0)								October 1, 2004
      Mobile Pentium 4 HT 548	SL7X5 (E0)	3.33 GHz	1 MB	533 MT/s	25×	1.25–1.4 V	88 W	Socket 478	September 28, 2004	RK80546HE0931M	$262
      Mobile Pentium 4 HT 552	SL7NC (E0)	3.46 GHz	1 MB	533 MT/s	26×	1.25–1.4 V	88 W	Socket 478	January 4, 2005	RK80546HE0991M	N/A

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