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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)


Pentium II 233 233 MHz 512 KB 66 MT/s 3.5× 2.8 V
34.8 W
May 7, 1997 $636


Pentium II 266 267 MHz 512 KB 66 MT/s 4× 2.8 V
38.2 W
  • Slot 1
 May 7, 1997 $775


Pentium II 300 300 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)


Pentium II 266 267 MHz 512 KB 66 MT/s 4× 2.0 V
16.8 W
January 26, 1998 [1]


Pentium II 300 300 MHz 512 KB 66 MT/s 4.5× 2.0 V
18.6 W
  • Slot 1
 January 26, 1998 [1]


Pentium II 333 333 MHz 512 KB 66 MT/s 5× 2.0 V
20.6 W
  • Slot 1
 January 26, 1998 [1] $722


Pentium II Overdrive [2] [3] 333 MHz 512 KB 66 MT/s 5× 3.3 V
August 10, 1998 $599


Pentium II 350 350 MHz 512 KB 100 MT/s 3.5× 2.0 V
21.5 W
  • Slot 1
 April 15, 1998 [4] $621


Pentium II 400 400 MHz 512 KB 100 MT/s 4× 2.0 V
24.3 W
  • Slot 1
 April 15, 1998 [4] $824


Pentium II 450 450 MHz 512 KB 100 MT/s 4.5× 2.0 V
27.1 W
  • Slot 1
 August 24, 1998 [5] $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)


Mobile Pentium II 233 233 MHz 512 KB 66 MT/s 3.5× 1.6 V
9.0 W
April 2, 1998 $542


Mobile Pentium II 266 267 MHz 512 KB 66 MT/s 4× 1.6 V
10.3 W
  • MMC-1
  • MMC-2
 April 2, 1998 $772


Mobile Pentium II 300 300 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)


Mobile Pentium II 266PE 267 MHz 256 KB 66 MT/s 4× 1.6 V
10.3 W
January 25, 1999 $187


Mobile Pentium II 300PE 300 MHz 256 KB 66 MT/s 4.5× 1.6 V
11.6 W
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 $321


Mobile Pentium II 333 333 MHz 256 KB 66 MT/s 5× 1.6 V
11.8 W
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 $465


Mobile Pentium II 366 367 MHz 256 KB 66 MT/s 5.5× 1.6 V
13.1 W
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 $696


Mobile Pentium II 400 400 MHz 256 KB 66 MT/s 6× 1.55 or 1.50 [6] V
13.1 W
  • μPGA2
  • BGA2
  • MMC-2
 June 14, 1999 $530


See also

References

  1. ^ a b c "Intel Delivers Fastest Pentium® II".
  2. ^ Pentium II Overdrive(dB0)
  3. ^ Pentium II Overdrive
  4. ^ a b "New Intel® Pentium® II and Celeron® Processors Bring Optimized Performance to Computer Systems". Intel. Retrieved 2019-03-15.
  5. ^ "Intel News Release". Intel. Retrieved 2018-05-10.
  6. ^ INTEL MOBILE PENTIUM II PROCESSOR IN Micro-PGA AND BGA PACKAGES AT 400 MHz, 366 MHz, 333 MHz, 300PE MHz, AND 266PE MHz Intel 245103-003.pdf data-sheet

External links

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