List of Intel Pentium 4 microprocessors

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The Pentium 4 microprocessor from Intel is a seventh-generation CPU targeted at the consumer market.

Desktop processors

Pentium 4

Willamette (180 nm)

Intel Family 15 Model 1
All models support: MMX, SSE, SSE2
Transistors: 42 million
Die size: 217 mm²
Steppings: B2, C1, D0, E0

Model Number Clock Speed	sSpec Number	Frequency	L2 Cache	Front Side Bus	Clock Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Pentium 4 1.3	SL4SF (B2) SL4QD (B2) SL5GC (C1) SL5FW (C1)	1300 MHz	256 KB	400 MT/s	13×	1.605-1.75V	48.9 W 51.6 W	Socket 423	January 3, 2001	80528PC013G0K YD80528PC013G0K	$268^[1]
Pentium 4 1.4	SL4SG SL4SC SL4X2 SL4WS	1400 MHz	256 KB	400 MT/s	14×	1.600-1.75V	51.8 W 54.7 W	Socket 423	November 20, 2000	80528PC017G0K YD80528PC017G0K	$644
Pentium 4 1.5	SL4WT SL4TY SL4SH SL5TN SL5SX SL4X3	1500 MHz	256 KB	400 MT/s	15×	1.605-1.75V	54.7 W 57.8 W	Socket 423	November 20, 2000	80528PC021G0K YD80528PC021G0K RN80528PC021G0K	$819 ^[2]
Pentium 4 1.6	SL4X4 SL4WU SL5VL SL5UL	1600 MHz	256 KB	400 MT/s	16×	1.590-1.75V	61 W	Socket 423	July 2, 2001	YD80528PC025G0K RN80528PC025G0K	$294
Pentium 4 1.7	SL57W SL57V SL5TP SL5SY	1700 MHz	256 KB	400 MT/s	17×	1.580-1.75V	64 W	Socket 423	April 23, 2001	YD80528PC029G0K RN80528PC029G0K	$352^[3]
Pentium 4 1.8	SL4X5 SL4WV SL5VM SL5UM	1800 MHz	256 KB	400 MT/s	18×	1.575-1.75V	66.7 W	Socket 423	July 2, 2001	YD80528PC033G0K RN80528PC033G0K	$562
Pentium 4 1.9	SL5VN SL5WH	1900 MHz	256 KB	400 MT/s	19×	1.570-1.75V	69.2 W	Socket 423	August 27, 2001	RN80528PC037G0K	$375
Pentium 4 2.0	SL5SZ SL5TQ	2000 MHz	256 KB	400 MT/s	20×	1.560-1.75V	71.8 W	Socket 423	August 27, 2001	RN80528PC041G0K	$562
Pentium 4 1.4	SL5N7 SL59U SL5UE SL5TG	1400 MHz	256 KB	400 MT/s	14×	1.600-1.75V	55.3 W	Socket 478	August 27, 2001	RK80531PC017G0K	$133
Pentium 4 1.5	SL5TJ SL5N8 SL59V SL6BA SL62Y SL5UF	1500 MHz	256 KB	400 MT/s	15×	1.605-1.75V	57.9 W 62.9 W	Socket 478	August 27, 2001	RK80531PC021G0K RK80531PC021256	$133
Pentium 4 1.6	SL5UW SL5US SL5UJ SL6BC SL679 SL5VH	1600 MHz	256 KB	400 MT/s	16×	1.590-1.75V	60.8 W	Socket 478	August 27, 2001	RK80531PC025G0K RK80531PC025256	$163
Pentium 4 1.7	SL5TK SL5N9 SL59X SL5UG SL6BD SL67A SL62Z	1700 MHz	256 KB	400 MT/s	17×	1.580-1.75V	63.5 W 67.7 W	Socket 478	August 27, 2001	RK80531PC029G0K RK80531PC029256	$193
Pentium 4 1.8	SL5UV SL5UT SL5UK SL6BE SL67B SL5VJ	1800 MHz	256 KB	400 MT/s	18×	1.575-1.75V	66.1 W	Socket 478	August 27, 2001	RK80531PC033G0K RK80531PC033256	$256
Pentium 4 1.9	SL5WG SL5VK SL6BF SL67C	1900 MHz	256 KB	400 MT/s	19×	1.570-1.75V	72.8 W	Socket 478	August 27, 2001	RK80531PC037G0K RK80531PC037256	$375
Pentium 4 2.0	SL5TL SL5UH	2000 MHz	256 KB	400 MT/s	20×	1.560-1.75V	75.3 W	Socket 478	August 27, 2001	RK80531PC041G0K	$562 ^[4]

Northwood (130 nm)

Intel Family 15 Model 2
All models support: MMX, SSE, SSE2
Model SL68R has box version only, supplied with unattached fan heatsink.
Transistors: 55 million
Die 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	Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Pentium 4 1.6A	SL62S	B0	1600 MHz	512 KB	400 MT/s	16×	1.475 V	38 W	Socket 478	January 2002	RK80534PC025512
Pentium 4 1.6A	SL668	B0	1600 MHz	512 KB	400 MT/s	16×	1.475 V	46.8 W	Socket 478	January 2002	BX80532PC1600D
Pentium 4 1.8A	SL68Q SL63X SL62P	B0	1800 MHz	512 KB	400 MT/s	18×	1.475-1.525 V	49.6 W	Socket 478	January 2002	RK80532PC033512
Pentium 4 1.8A	SL6LA	C1	1800 MHz	512 KB	400 MT/s	18×	1.475-1.525 V	66.1 W	Socket 478		BX80532PC1800D RK80532PC033512
Pentium 4 2.0A	SL5YR SL5ZT SL66R SL68R	B0	2000 MHz	512 KB	400 MT/s	20×	1.360-1.435V	52.4 W	Socket 478	January 7, 2002	Rb80532PC041512 BX80532PC2000D
Pentium 4 2.0A	SL6GQ SL6S7	C1	2000 MHz	512 KB	400 MT/s	20×	1.360-1.435V	54.3 W	Socket 478		RK80532PC041512 BX80532PC2000D
Pentium 4 2.2	SL5YS SL66S	B0	2200 MHz	512 KB	400 MT/s	22×	1.360-1.435V	55.1 W	Socket 478	January 7, 2002	RK80532PC049512 BX80532PC2200D
Pentium 4 2.4	SL65R SL6GS SL6S9	B0 C1 C1	2400 MHz	512 KB	400 MT/s	24×	1.350-1.430V	57.8 W 59.8 W 59.8 W	Socket 478	April 2, 2002	BX80532PC2400D RK80532PC056512
Pentium 4 2.5	SL6PN	D1	2500 MHz	512 KB	400 MT/s	25×	1.350-1.430V	61 W	Socket 478	August 25, 2002	RK80532PC060512
Pentium 4 2.6	SL6SB SL6PP	C1 D1	2600 MHz	512 KB	400 MT/s	26×	1.345-1.525V	62.6 W	Socket 478	August 25, 2002	BX80532PC2600D RK80532PC064512	$401^[5]
Pentium 4 2.8	SL7EY	D1	2800 MHz	512 KB	400 MT/s	28×	1.475-1.55V	68.4 W	Socket 478	November 2002	RK80532PC072512	$508^[6]
Pentium 4 3.0	SL6YH SL74Q	C1	3000 MHz	512 KB	400 MT/s	30×	1.55 V	~80 W	Socket 478		RK80532PC080512 RK80532NC080512
Pentium 4 2.26	SL6D6	B0	2267 MHz	512 KB	533 MT/s	17×	1.355-1.435V	56 W	Socket 478	May 6, 2002	RK80532PE051512	$423^[7]
Pentium 4 2.26	SL6RY	C1	2267 MHz	512 KB	533 MT/s	17×	1.355-1.435V	58 W	Socket 478	May 6, 2002	RK80532PE051512	$423^[8]
Pentium 4 2.26	SL6PB	D1	2267 MHz	512 KB	533 MT/s	17×	1.355-1.435V	58 W	Socket 478	May 6, 2002	RK80532PE051512	$423^[9]
Pentium 4 2.4B	SL6PC SL6PM SL6RZ	D1 C1	2400 MHz	512 KB	533 MT/s	18×	1.350-1.525V	59.8 W	Socket 478	May 6, 2002	BX80532PE2400D RK80532PE056512	$562^[10]
Pentium 4 2.4	SL6DV SL6EF SL6SH	C1	2400 MHz	512 KB	533 MT/s	18×	1.350-1.525V	59.8 W	Socket 478	May 6, 2002	BX80532PE2400D RK80532PE056512	$562^[11]
Pentium 4 2.53	SL6D8 SL6DW SL6S2	B0	2530 MHz	512 KB	533 MT/s	19×	1.345-1.430V	61.5 W	Socket 478	May 6, 2002	RK80532PE061512	$637^[12]
Pentium 4 2.66	SL6PE SL6DX SL6QA SL6S3	D1 D1	2660 MHz	512 KB	533 MT/s	20×	1.345-1.420V	66.1 W	Socket 478	August 25, 2002	RK80532PE067512	$562^[13]
Pentium 4 2.8	SL6HL SL6K6 SL6PF SL6QB SL6S4	C1 C1 D1 D1 C1	2800 MHz	512 KB	533 MT/s	21×	1.340-1.525V	68.4 W	Socket 478	August 25, 2002	BX80532PE2800D RK80532PE072512

Prescott (90 nm)

Intel Family 15 Model 3 (C0,D0), Intel Family 15 Model 4 (E0, G1)
All models support: MMX, SSE, SSE2, SSE3
Intel 64: supported by 5x6, 511, and 519K
XD bit (an NX bit implementation): supported by 5x5J, 519J, and all Intel 64-compatible models
Transistors: 125 million
Die size: 112 mm²
Steppings: C0, D0, E0, G1

Model Number	sSpec number	Core Stepping	Frequency	L2-Cache	Front Side Bus	Multiplier	Voltage Range	TDP	Socket	Release Date	Part Number(s)
Pentium 4 2.40A	SL7E8 SL7YP SL88F	C1 D1 E1	2400 MHz	1024 KB	533 MT/s	18×	1.287-1.4V	89 W	Socket 478	March 2004	B80546PE0561M RK80546PG0561M
Pentium 4 2.66A	SL8B3	E0	2660 MHz	1024 KB	533 MT/s	20×	1.25-1.388V	89 W	Socket 478		RK80546PE0671M
Pentium 4 2.80	SL8JX SL88G	G1 E0	2800 MHz	1024 KB	533 MT/s	21×	1.25-1.400V	89 W	Socket 478	February 1, 2004	RK80546PE0721M NE80546PE0721M B80546PE0561M
Pentium 4 2.80A	SL7D8 SL7E2 SL7PK	C0 D0 E0	2800 MHz	1024 KB	533 MT/s	21×	1.25-1.400V	89 W	Socket 478	February 1, 2004	RK80546PE0721M NE80546PE0721M
Pentium 4 505	SL7YU	D0	2660 MHz	1024 KB	533 MT/s	20×	1.25-1.400V	84 W	LGA 775	December 2004	JM80547PE0671M
Pentium 4 505J	SL85U	E0	2660 MHz	1024 KB	533 MT/s	20×	1.25-1.400V	84 W	LGA 775	December 2004	JM80547PE0671M
Pentium 4 506	SL8J8	E0	2660 MHz	1024 KB	533 MT/s	20×	1.25-1.400V	84 W	LGA 775	June 2005	JM80547PE0671MN
Pentium 4 511	SL9CJ SL8U5	G1 E0	2800 MHz	1024 KB	533 MT/s	21×	1.25-1.400V	84 W	LGA 775	2005	HH80547PE0721MN JM80547PE0721MN
Pentium 4 515	SL7YV	D0	2930 MHz	1024 KB	533 MT/s	22×	1.25-1.400V	84 W	LGA 775	December 2004	JM80547PE0771M
Pentium 4 515J	SL85V	E0	2930 MHz	1024 KB	533 MT/s	22×	1.25-1.400V	84 W	LGA 775	December 2004	JM80547PE0771M
Pentium 4 516	SL8J9	E0	2930 MHz	1024 KB	533 MT/s	22×	1.25-1.400V	84 W	LGA 775	September 2005	JM80547PE0771MN
Pentium 4 519J	SL87L	E0	3067 MHz	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	3067 MHz	1024 KB	533 MT/s	23×	1.25-1.4 V	84 W	LGA 775	2005	JM80547PE0831MN HH80547PE0831MN

Pentium 4 HT

Northwood (130 nm)

All models support: MMX, SSE, SSE2, Hyper-Threading
Transistors: 55 million
Die size: 131 mm²
Steppings: C1, 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	SL6WR (D1) 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) SL6WS (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
Pentium 4 HT 3.0	SL6WU (D1) SL6WK (D1) SL78Z (M0)	3.0 GHz	512 KB	800 MT/s	15×	1.475–1.55 V	81.9 W	Socket 478	April 14, 2003	RK80532PG080512
Pentium 4 HT 3.06	SL6K7 (C1) SL6JJ (C1) SL6S5 (C1) SL6SM (C1) SL6PG (D1) SL6QC (D1)	3.06 GHz	512 KB	533 MT/s	23×	1.525–1.55 V	81.8 W	Socket 478	November 12, 2002	BX80532PE3066D RK80532PE083512
Pentium 4 HT 3.2	SL792 (D1) SL6WG (D1) SL6WE (D1)	3.2 GHz	512 KB	800 MT/s	16×	1.475–1.55 V	82 W	Socket 478	June 23, 2003	RK80532PG088512 BX80532PG3200D
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, SSE2, SSE3, Hyper-Threading
Intel 64: supported by F-series, 5x1, 517, 524 and few OEM models in E-series (SL7QB, SL7Q8)
XD bit (an NX bit implementation): supported by 5x0J, 5x1, 517, 524
Intel Family 15 Model 3
Model SL7E4 has an unattached fan heatsink.
Transistors: 125 million
Die size: 112 mm²
Steppings:

Model Number	sSpec number	Frequency	L2-Cache	Front Side Bus	Multiplier	Voltage Range	TDP	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×	1.287-1.400V	89 W	Socket 478	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×	1.200-1.425V	89 W	Socket 478	February 1, 2004	NE80546PG0801M RK80546PG0801M
Pentium 4 HT 3.2E	SL79M, SL7B8, SL7E5, SL7L7, SL7PN, SL7QB, SL7KC, SL88K, SL8K2	3.20 GHz	1024 KB	800 MT/s	16×	1.250-1.400V	89 W	Socket 478	April 2004	BX80546PG3200E RK80546PG0881M
Pentium 4 HT 3.2F	SL7LA	3.20 GHz	1024 KB	800 MT/s	16×	1.200-1.425V	103 W	LGA 775	August 2004
Pentium 4 HT 3.4E	SL7E6, SL7Q8	3.40 GHz	1024 KB	800 MT/s	17×	1.200-1.425V	103 W	Socket 478	February 2004
Pentium 4 HT 3.4F	SL7L8	3.40 GHz	1024 KB	800 MT/s	17×	1.200-1.425V	115 W	LGA 775	August 2004
Pentium 4 HT 3.6F	SL7L9	3.60 GHz	1024 KB	800 MT/s	18×	1.200-1.425V	115 W	LGA 775	August 4, 2004
Pentium 4 HT 3.8F	SL7P2	3.80 GHz	1024 KB	800 MT/s	19×	1.200-1.425V	115 W	LGA 775	November 2004
Pentium 4 HT 517	SL8ZY, SL9CD	2.93 GHz	1024 KB	533 MT/s	22×	1.250-1.400V	84 W	LGA 775	September 2005	HH80547PE0771MM
Pentium 4 HT 520	SL7J4, SL7J5, SL7KJ	2.80 GHz	1024 KB	800 MT/s	14×	1.200-1.425V	84 W	LGA 775	June 2004	JM80547PG0721M
Pentium 4 HT 520J	SL7PR	2.80 GHz	1024 KB	800 MT/s	14×	1.250-1.400V	84 W	LGA 775	October 2004	JM80547PG0721M
Pentium 4 HT 521	SL8HX, SL8PP, SL9CG	2.80 GHz	1024 KB	800 MT/s	14×	1.200-1.425V	84 W	LGA 775	June 12, 2005	JM80547PG0721MM HH80547PG0721MM
Pentium 4 HT 524	SL8ZZ, SL9CA	3.06 GHz	1024 KB	533 MT/s	23×	1.200-1.425V	84 W	LGA 775	September 2005	HH80547PE0831MM
Pentium 4 HT 530	SL7J6, SL7KK	3.00 GHz	1024 KB	800 MT/s	15×	1.200-1.425V	84 W	LGA 775	June 2004	JM80547PG0801M	$218^[14]
Pentium 4 HT 530J	SL7PU, SL82X	3.00 GHz	1024 KB	800 MT/s	15×	1.200-1.425V	84 W	LGA 775	October 2004	JM80547PG0801M	$218^[15]
Pentium 4 HT 531	SL8HZ, SL8PQ, SL9CB	3.00 GHz	1024 KB	800 MT/s	15×	1.200-1.425V	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×	1.200-1.425V	84 W	LGA 775	June 21, 2004	JM80547PG0881M	$278^[16]
Pentium 4 HT 540J	SL7PW, SL82Z	3.20 GHz	1024 KB	800 MT/s	16×	1.250-1.425V	84 W	LGA 775	October 2004	JM80547PG0881M	$278^[17]
Pentium 4 HT 541	SL9C6, SL8PR, SL8J2	3.20 GHz	1024 KB	800 MT/s	16×	1.200-1.425V	84 W	LGA 775	June 12, 2005	JM80547PG0881MM HH80547PG0881MM
Pentium 4 HT 550	SL7J8, SL7 km	3.40 GHz	1024 KB	800 MT/s	17×	1.200-1.425V	115 W	LGA 775	June 21, 2004	JM80547PG0961M	$417^[18]
Pentium 4 HT 550	SL7PP	3.40 GHz	1024 KB	800 MT/s	17×	1.287-1.400V	115 W	Socket 478	Q2, 2004	RK80546PG0961M	$417^[19]
Pentium 4 HT 550J	SL7PY, SL833	3.40 GHz	1024 KB	800 MT/s	17×	1.250-1.400V	115 W	LGA 775	October 2004	JM80547PG0961M	$417^[20]
Pentium 4 HT 551	SL8PS, SL7PZ, SL9C5, SL8J5	3.40 GHz	1024 KB	800 MT/s	17×	1.200-1.425V	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×	1.200-1.425V	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×	1.200-1.425V	115 W	LGA 775	June 21, 2004	JM80547PG1041M
Pentium 4 HT 560J	SL84X, SL7Q2	3.60 GHz	1024 KB	800 MT/s	18×	1.250-1.400V	115 W	LGA 775	October 2004	JM80547PG1041M
Pentium 4 HT 561	SL8J6	3.60 GHz	1024 KB	800 MT/s	18×	1.200-1.425V	115 W	LGA 775	June 12, 2005	JM80547PG1041MM
Pentium 4 HT 570J	SL84Y, SL82U	3.80 GHz	1024 KB	800 MT/s	19×	1.200-1.425V	115 W	LGA 775	November 12, 2004	JM80547PG1121M
Pentium 4 HT 571	SL8J7	3.80 GHz	1024 KB	800 MT/s	19×	1.200-1.425V	115 W	LGA 775	June 12, 2005	JM80547PG1121MM JM80547PG1121M
Pentium 4 HT 580^[21]	?	4.00 GHz	1024 KB	800 MT/s	20×	?	?	LGA 775	Unreleased	?

Prescott 2M (90 nm)

Intel Family 15 Model 4
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation)
Intel VT-x supported by: 6x2 e.g. Model 662 and 672
Enhanced Intel SpeedStep Technology (EIST) supported by: all except 620.
Transistors: 169 million
Die size: 135 mm²
Steppings: N0, R0

Model Number	sSpec Number	Frequency	L2-Cache	Front Side Bus	Mult	Voltage Range	TDP	Socket	Release Date	Part Number(s)	Release Price (USD)
Pentium 4 HT 620^[22]^[23]	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
Pentium 4 HT 630	SL8Q7 (R0)	3 GHz	2 MB	800 MT/s	15×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	HH80547PG0802MM	$224
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
Pentium 4 HT 640	SL8Q6 (R0)	3.2 GHz	2 MB	800 MT/s	16×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	HH80547PG0882MM	$273
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
Pentium 4 HT 650	SL8Q5 (R0)	3.4 GHz	2 MB	800 MT/s	17×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	HH80547PG0962MM	$401
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
Pentium 4 HT 660	SL8PZ (R0)	3.6 GHz	2 MB	800 MT/s	18×	1.2–1.4 V	115 W	LGA 775	February 20, 2005	HH80547PG1042MM	$605
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
Pentium 4 HT 670	SL8PY (R0)	3.8 GHz	2 MB	800 MT/s	19×	1.2–1.4 V	115 W	LGA 775	May 26, 2005	HH80547PG1122MM	$851
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
Pentium 4 HT 4.00		4.00 GHz	2 MB	1066 MT/s	15×	1.2-1.4 V	115 W	LGA 775

Cedar Mill (65 nm)

Intel Family 15 Model 6
All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, Intel 64, XD bit (an NX bit implementation)
Transistors: 188 million
Die size: 81 mm²
Steppings: B1, C1, D0
Enhanced Intel SpeedStep 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	86 W		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	86 W		April 16, 2006
	SL9KF (D0)					1.2–1.325 V	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	86 W		April 16, 2006
	SL9KE (D0)					1.2–1.325 V	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	86 W		April 16, 2006
	SL9KD (D0)					1.2–1.325 V	65 W		N/A

Pentium 4 Extreme Edition

Gallatin (130 nm)

All models support: MMX, SSE, SSE2, Hyper-Threading
Transistors: 169 million
Die size: 237 mm²
Steppings: M0

Model Number	sSpec Number	Clock Speed	L2 Cache	L3 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	512 KB	2 MB	800 MT/s	16×	1.55V	92.1 W	Socket 478	November 3, 2003	BX80532PG3200F RK80532PG0882M	N/A
Pentium 4 Extreme Edition 3.4	SL7CH (M0)	3.4 GHz	512 KB	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	512 KB	2 MB	800 MT/s	17x	0.956–1.052 V	109.6 W	LGA 775	June 21, 2004	BX80532PH3400FS JM80532PG0962M	N/A
Pentium 4 Extreme Edition 3.4	SL7RR (M0)	3.4 GHz	512 KB	2 MB	800 MT/s	17x	1.25–1.4 V	109.6 W	LGA 775	N/A	BX80532PH3400FS B80532PG0962MS	N/A
Pentium 4 Extreme Edition 3.46	SL7NF (M0)	3.46 GHz	512 KB	2 MB	1066 MT/s	13×	1.287–1.4 V	110.7 W	LGA 775	October 31, 2004	BX80532PH3460FS JM80532PH0992M	$999
Pentium 4 Extreme Edition 3.46	SL7RT (M0)	3.46 GHz	512 KB	2 MB	1066 MT/s	13×	1.287–1.4 V	110.7 W	LGA 775	N/A	BX80532PH3460FS B80532PH0992MS	$999

Prescott 2M (90 nm)

All models support: MMX, SSE, SSE2, SSE3, Hyper-Threading, EIST, Intel 64, XD bit (an NX bit implementation)
Transistors: 169 million
Die 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×	1.200-1.400V	115 W	LGA 775	February 21, 2005	JM80547PH1092MM	$999

Mobile processors

Pentium 4-M

Northwood (130 nm)

All models support: MMX, SSE, SSE2, IST
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×	1.2 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 SL6DS	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

Mobile Pentium 4

Northwood (130 nm)

All models support: MMX, SSE, SSE2, IST, Hyper-Threading

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

Mobile Pentium 4 HT

Northwood (130 nm)

All models support: MMX, SSE, SSE2, IST, Hyper-Threading

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, SSE2, SSE3, IST, Tm2, Hyper-Threading
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
Mobile Pentium 4 HT 518	SL7N8 (E0)	2.8 GHz	1 MB	533 MT/s	21×	1.25–1.4 V	88 W	Socket 478	October 1, 2004	RK80546HE0721M	$202
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
Mobile Pentium 4 HT 532	SL7NA (E0)	3.06 GHz	1 MB	533 MT/s	23×	1.25–1.4 V	88 W	Socket 478	October 1, 2004	RK80546HE0831M	$234
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
Mobile Pentium 4 HT 538	SL7NB (E0)	3.2 GHz	1 MB	533 MT/s	24×	1.25–1.4 V	88 W	Socket 478	October 1, 2004	RK80546HE0881M	$294
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

References

Intel processors

Discontinued

BCD oriented (4-bit)	4004 (1971) 4040 (1974)

pre-x86 (8-bit)	8008 (1972) 8080 (1974) 8085 (1977)

Early x86 (16-bit)	8086 (1978) 8088 (1979) 80186 (1982) 80188 (1982) 80286 (1982)

x87 (external FPUs)	8/16-bit databus 8087 (1980) 16-bit databus 80187 80287 80387SX 32-bit databus 80387DX 80487

IA-32 (32-bit)	80386 SX 376 EX 80486 SX DX2 DX4 SL RapidCAD OverDrive A100/A110 Celeron (1998) M D (2004) Pentium Original OverDrive Pro II II OverDrive III 4 M Dual-Core Core Solo Duo

x86-64 (64-bit)	Celeron D Dual-Core Pentium 4 D Extreme Edition Dual-Core Core 2 i7 (some)

Other	CISC iAPX 432 RISC i860 i960 StrongARM XScale

Current

IA-32 (32-bit)	EP80579 Atom CE SoC Quark

x86-64 (64-bit)	Atom CE SoC Celeron Pentium Core i3 i5 i7 m3 m5 m7 Xeon E7 E5 E3 Phi

EPIC	Itanium

Lists

Atom Celeron Core 2 i3 i5 i7 M Itanium Pentium Pro II III 4 D M Dual-Core Xeon

Related

Chipsets PCHs SCHs ICHs PIIXs GPUs Codenames GMA HD and Iris Graphics

Microarchitectures

P5	800 nm P5 600 nm P54C 350 nm P54CS P55C 250 nm Tillamook

P6 / Pentium M / Enhanced Pentium M	500 nm P6 350 nm P6 Klamath 250 nm Mendocino Dixon Tonga Covington Deschutes Katmai Drake Tanner 180 nm Coppermine Coppermine T Timna Cascades 130 nm Tualatin Banias 90 nm Dothan Stealey Tolapai Canmore 65 nm Yonah Sossaman

NetBurst	180 nm Willamette Foster 130 nm Northwood Gallatin Prestonia 90 nm Tejas and Jayhawk Prescott Smithfield Nocona Irwindale Cranford Potomac Paxville 65 nm Cedar Mill Presler Dempsey Tulsa

Core / Penryn	65 nm Merom-L Merom Conroe-L Allendale Conroe Kentsfield Woodcrest Clovertown Tigerton 45 nm Penryn Penryn-QC Wolfdale Yorkfield Wolfdale-DP Harpertown Dunnington

Bonnell / Saltwell	45 nm Silverthorne Diamondville Pineview Lincroft Tunnel Creek Stellarton Sodaville Groveland 32 nm Cedarview Penwell Cloverview Berryville Centerton

Nehalem / Westmere	45 nm Clarksfield Lynnfield Jasper Forest Bloomfield Gainestown (Nehalem-EP) Beckton (Nehalem-EX) 32 nm Arrandale Clarkdale Gulftown (Westmere-EP) Westmere-EX

Sandy Bridge / Ivy Bridge	32 nm Sandy Bridge Sandy Bridge-E Gladden 22 nm Ivy Bridge Ivy Bridge-EP Ivy Bridge-EX

Haswell / Broadwell	22 nm Haswell 14 nm Broadwell

Silvermont / Airmont	22 nm Valleyview Tangier Anniedale 14 nm Cherryview

Skylake/Kaby Lake/Cannonlake	14 nm Skylake Kaby Lake 10 nm Cannonlake

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List of Intel Pentium 4 microprocessors

Desktop processors

Pentium 4

Willamette (180 nm)

Northwood (130 nm)

Prescott (90 nm)

Pentium 4 HT

Northwood (130 nm)

Prescott (90 nm)

Prescott 2M (90 nm)

Cedar Mill (65 nm)

Pentium 4 Extreme Edition

Gallatin (130 nm)

Prescott 2M (90 nm)

Mobile processors

Pentium 4-M

Northwood (130 nm)

Mobile Pentium 4

Northwood (130 nm)

Mobile Pentium 4 HT

Northwood (130 nm)

Prescott (90 nm)

See also

References