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List of Intel Pentium II processors

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The Pentium II is a sixth-generation CPU from Intel targeted at the consumer market.

Desktop processors

"Klamath" (350 nm)

All models support: MMX
L2 cache is off-die and runs at 50% CPU speed
Part numbers prefixed with a B are for boxed retail CPUs

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
	233 MHz	512 KB	66 MT/s	3.5×	2.8 V	34.8 W	Slot 1	May 7, 1997	$636
	267 MHz	512 KB	66 MT/s	4×	2.8 V	38.2 W	Slot 1	May 7, 1997	$775
	300 MHz	512 KB	66 MT/s	4.5×	2.8 V	43 W	Slot 1	May 7, 1997	$1981

"Deschutes" (250 nm)

All models support: MMX
L2 cache is off-die and runs at 50% CPU speed
The Pentium II OverDrive is a Deschutes Pentium II core packaged for Socket 8 operation. It comes with 512 KB of off-die full-speed L2 cache, which makes it very similar to the Pentium II Xeon.

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
	267 MHz	512 KB	66 MT/s	4×	2.0 V	16.8 W	Slot 1	late 1998	OEM
	300 MHz	512 KB	66 MT/s	4.5×	2.0 V	18.6 W	Slot 1	late 1998	OEM
	333 MHz	512 KB	66 MT/s	5×	2.0 V	20.6 W	Slot 1	January 26, 1998	$722
Pentium II Overdrive	333 MHz	512 KB	66 MT/s	5×	3.3 V		Socket 8	August 10, 1998	$599
	350 MHz	512 KB	100 MT/s	3.5×	2.0 V	21.5 W	Slot 1	April 15, 1998	$621
	400 MHz	512 KB	100 MT/s	4×	2.0 V	24.3 W	Slot 1	April 15, 1998	$824
	450 MHz	512 KB	100 MT/s	4.5×	2.0 V	27.1 W	Slot 1	August 24, 1998	$669

Mobile processors

"Tonga" (250 nm)

All models support: MMX
L2 cache is off-die and runs at 50% CPU speed

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
	233 MHz	512 KB	66 MT/s	3.5×	1.6 V	9.0 W	MMC-1 MMC-2	April 2, 1998	$542
	267 MHz	512 KB	66 MT/s	4×	1.6 V	10.3 W	MMC-1 MMC-2	April 2, 1998	$772
	300 MHz	512 KB	66 MT/s	4.5×	1.6 V	11.1 W	MMC-1 MMC-2	September 9, 1998	$710

"Dixon" (250 or 180 nm)

All models support: MMX
L2 cache is on-die and runs at 100% CPU speed
Also known as Pentium II "Performance Enhanced"
mqbA1 stepping is actually at 180 nm 27.4 million transistors die size 180 mm2

Model	Clock rate	L2 cache	FSB	Mult.	Voltage	TDP	Socket	Release date	Release price (USD)
	267 MHz	256 KB	66 MT/s	4×	1.6 V	10.3 W	μPGA2 BGA2 MMC-2	January 25, 1999	$187
	300 MHz	256 KB	66 MT/s	4.5×	1.6 V	11.6 W	μPGA2 BGA2 MMC-2	January 25, 1999	$321
	333 MHz	256 KB	66 MT/s	5×	1.6 V	11.8 W	μPGA2 BGA2 MMC-2	January 25, 1999	$465
	367 MHz	256 KB	66 MT/s	5.5×	1.6 V	13.1 W	μPGA2 BGA2 MMC-2	January 25, 1999	$696
	400 MHz	256 KB	66 MT/s	6×	1.55 or 1.50 V	13.1 W	μPGA2 BGA2 MMC-2	June 14, 1999	$530

See also

External links