List of Intel Pentium II microprocessors

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The Pentium II from Intel is a sixth-generation CPU 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
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Pentium II 233 <templatestyles src="Plainlist/styles.css"/>
  • SL264 (C0)
  • SL28K (C0)
  • SL2HD (C1)
  • SL2QA (C1)
  • SL268 (C0)
  • SL2HF (C1)
  • SL2TK (C0)
 233 MHz 512 KB 66 MT/s 3.5× 2.8 V <templatestyles src="Plainlist/styles.css"/>
34.8 W
 <templatestyles src="Plainlist/styles.css"/>
May 7, 1997 <templatestyles src="Plainlist/styles.css"/>
$636
Pentium II 266[1][2] <templatestyles src="Plainlist/styles.css"/>
  • SL265 (C0)
  • SL28L (C0)
  • SL2HC (C1)
  • SL2QB (C1)
  • SL269 (C0)
  • SL2PV (C0)
  • SL2HE (C1)
  • SL2QD (C1)
 267 MHz 512 KB 66 MT/s 4× 2.8 V <templatestyles src="Plainlist/styles.css"/>
38.2 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 May 7, 1997 <templatestyles src="Plainlist/styles.css"/>
  • 80522PX266512
  • 80522PX266512EC[lower-alpha 1]
  • B80522PX266512
  • B80522PX266512E
  • DC80522PX266512
 $775
Pentium II 300[3][4] <templatestyles src="Plainlist/styles.css"/>
  • SL28R (C0)
  • SL2MZ (C0)
  • SL2HA (C1)
  • SL2QC (C1)
 300 MHz 512 KB 66 MT/s 4.5× 2.8 V <templatestyles src="Plainlist/styles.css"/>
43 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 May 7, 1997 <templatestyles src="Plainlist/styles.css"/>
  • 80522PX300512EC
  • B80522PX300512EC
 $1981

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"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 KiB of off-die full-speed L2 cache, which makes it very similar to the Pentium II Xeon.
Model
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Pentium II 266 <templatestyles src="Plainlist/styles.css"/>
  • SL2K9 (dA0)
  • SL2QE (dA0)
  • SL2W7 (dB0)
  • SL33D (dB0)
 267 MHz 512 KB 66 MT/s 4× 2.0 V <templatestyles src="Plainlist/styles.css"/>
16.8 W
 <templatestyles src="Plainlist/styles.css"/>
<templatestyles src="Plainlist/styles.css"/>
  • B80523P266512E
Pentium II 300 <templatestyles src="Plainlist/styles.css"/>
  • SL2VY (dA1)
  • SL35V (dA1)
  • SL2W8 (dB0)
  • SL2YK (dB0)
 300 MHz 512 KB 66 MT/s 4.5× 2.0 V <templatestyles src="Plainlist/styles.css"/>
18.6 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 <templatestyles src="Plainlist/styles.css"/>
  • B80523P300512E
Pentium II 333 <templatestyles src="Plainlist/styles.css"/>
  • SL2KA (dA0)
  • SL2QF (dA0)
  • SL2S5 (dA1)
  • SL2QH (dA1)
  • SL2ZP (dA1)
  • SL2TV (dB0)
  • SL2WY (dB0)
 333 MHz 512 KB 66 MT/s 5× 2.0 V <templatestyles src="Plainlist/styles.css"/>
20.6 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 January 26, 1998 <templatestyles src="Plainlist/styles.css"/>
  • 80523PX333512 also B80523P333512E (No.98350199-0239)
 $722
Pentium II Overdrive[6][7] <templatestyles src="Plainlist/styles.css"/>
  • SL2KE (TdB0)
  • SL3EA (TdB0)
  • SL2K3
 333 MHz 512 KB 66 MT/s 5× 3.3 V <templatestyles src="Plainlist/styles.css"/>
August 10, 1998 <templatestyles src="Plainlist/styles.css"/>
  • PODP66X333
 $599
Pentium II 350 <templatestyles src="Plainlist/styles.css"/>
  • SL2S6 (dA1)
  • SL2SF (dA1)
  • SL2ZQ (dA1)
  • SL2U3 (dB0)
  • SL2U4 (dB0)
  • SL356 (dB0)
  • SL37F (dB0)
  • SL3FN (dB0)
  • SL38M (dB1)
  • SL3J2 (dB1)
  • SL2WZ (dB0)
  • SL36U (dB1)
 350 MHz 512 KB 100 MT/s 3.5× 2.0 V <templatestyles src="Plainlist/styles.css"/>
21.5 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 April 15, 1998 <templatestyles src="Plainlist/styles.css"/>
  • 80523PY350512
 $621
Pentium II 400 <templatestyles src="Plainlist/styles.css"/>
  • SL2S7 (dA1)
  • SL2SH (dA1)
  • SL2U5 (dB0)
  • SL2U6 (dB0)
  • SL357 (dB0)
  • SL37G (dB0)
  • SL2X2 (dB0)
  • SL2YM (dB0)
  • SL3EE (dB0)
  • SL3F9 (dB0)
  • SL38N (dB1)
  • SL3D5 (dB1)
  • SL38Z (dB1)
 400 MHz 512 KB 100 MT/s 4× 2.0 V <templatestyles src="Plainlist/styles.css"/>
24.3 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 April 15, 1998 <templatestyles src="Plainlist/styles.css"/>
  • BX80523U400512E
  • 80523PY400512PE
 $824
Pentium II 450 <templatestyles src="Plainlist/styles.css"/>
  • SL2U7 (dB0)
  • SL2WB (dB0)
  • SL358 (dB0)
  • SL37H (dB0)
 450 MHz 512 KB 100 MT/s 4.5× 2.0 V <templatestyles src="Plainlist/styles.css"/>
27.1 W
 <templatestyles src="Plainlist/styles.css"/>
  • Slot 1
 August 24, 1998 <templatestyles src="Plainlist/styles.css"/>
  • BX80523U450512E
 $669

Mobile processors

"Tonga" (250 nm)

  • All models support: MMX
  • L2 cache is off-die and runs at 50% CPU speed
Model
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Mobile Pentium 233 <templatestyles src="Plainlist/styles.css"/>
  • SL2KH (mdA0)
  • SL2RQ (mdB0)
  • SL2U8 (mDB0)
 233 MHz 512 KB 66 MT/s 3.5× 1.7 V <templatestyles src="Plainlist/styles.css"/>
9.0 W
 <templatestyles src="Plainlist/styles.css"/>
April 2, 1998 <templatestyles src="Plainlist/styles.css"/>
  • PMD23305001AA
  • PMD23305002AB
  • PME23305001AA
  • 80523TX233512
 $542
Mobile Pentium 266 <templatestyles src="Plainlist/styles.css"/>
  • SL2KJ (mdA0)
  • SL2RR (mdB0)
  • SL2U9 (mDB0)
 267 MHz 512 KB 66 MT/s 4× 1.7 V <templatestyles src="Plainlist/styles.css"/>
10.3 W
 <templatestyles src="Plainlist/styles.css"/>
  • MMC-1
  • MMC-2
 April 2, 1998 <templatestyles src="Plainlist/styles.css"/>
  • PMD26605001AA
  • PMD26605002AB
  • PME26605001AA
  • 80523TX266512
 $772
Mobile Pentium 300 <templatestyles src="Plainlist/styles.css"/>
  • SL2RS (mdB0)
  • SL2Y7 (mDB0)
 300 MHz 512 KB 66 MT/s 4.5× 1.6 V <templatestyles src="Plainlist/styles.css"/>
11.1 W
 <templatestyles src="Plainlist/styles.css"/>
  • MMC-1
  • MMC-2
 September 9, 1998 <templatestyles src="Plainlist/styles.css"/>
  • PMD30005002AA
  • PME30005002AA
  • PME30005001AA
  • 80523TX300512
 $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
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Mobile Pentium II 266PE <templatestyles src="Plainlist/styles.css"/>
  • SL3HH (mdpA0)
  • SL32Q (mdbA0)
  • SL3DR (mdbA0)
  • SL32M (mdxA0)
 267 MHz 256 KB 66 MT/s 4× 1.6 V <templatestyles src="Plainlist/styles.css"/>
10.3 W
 <templatestyles src="Plainlist/styles.css"/>
January 25, 1999 <templatestyles src="Plainlist/styles.css"/>
  • KP80524KX266256
  • KC80524KX266256
  • PMG26602002AA
 $187
Mobile Pentium II 300PE <templatestyles src="Plainlist/styles.css"/>
  • SL3HJ (mdpA0)
  • SL32R (mdbA0)
  • SL32N (mdxA0)
 300 MHz 256 KB 66 MT/s 4.5× 1.6 V <templatestyles src="Plainlist/styles.css"/>
11.6 W
 <templatestyles src="Plainlist/styles.css"/>
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 <templatestyles src="Plainlist/styles.css"/>
  • KP80524KX300256
  • KC80524KX300256
  • PMG30002002AA
 $321
Mobile Pentium 333 <templatestyles src="Plainlist/styles.css"/>
  • SL3HK (mdpA0)
  • SL32S (mdbA0)
  • SL32P (mdxA0)
  • SL3KG
 333 MHz 256 KB 66 MT/s 5× 1.6 V <templatestyles src="Plainlist/styles.css"/>
11.8 W
 <templatestyles src="Plainlist/styles.css"/>
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 <templatestyles src="Plainlist/styles.css"/>
  • KP80524KX333256
  • KC80524KX333256
  • PMF33302001AA
 $465
Mobile Pentium II 366 <templatestyles src="Plainlist/styles.css"/>
  • SL3HL (mdpA0)
  • SL3AG (mdbA0)
  • SL36Z (mdxA0)
 367 MHz 256 KB 66 MT/s 5.5× 1.6 V <templatestyles src="Plainlist/styles.css"/>
13.1 W
 <templatestyles src="Plainlist/styles.css"/>
  • μPGA2
  • BGA2
  • MMC-2
 January 25, 1999 <templatestyles src="Plainlist/styles.css"/>
  • PMG36602002AA
 $696
Mobile Pentium II 400 <templatestyles src="Plainlist/styles.css"/>
  • SL3BW (mqpA1)
  • SL3EM (mqbA1)
  • SL3JW (MdxA0)
 400 MHz 256 KB 66 MT/s 6× 1.55 or 1.50[8] V <templatestyles src="Plainlist/styles.css"/>
13.1 W
 <templatestyles src="Plainlist/styles.css"/>
  • μPGA2
  • BGA2
  • MMC-2
 June 14, 1999 <templatestyles src="Plainlist/styles.css"/>
  • PMG40002002AA KP80524TX400256
 $530

See also

References

<templatestyles src="Reflist/styles.css" />

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External links


Cite error: <ref> tags exist for a group named "lower-alpha", but no corresponding <references group="lower-alpha"/> tag was found, or a closing </ref> is missing

  1. ↑ Pentium II 266(C0)
  2. ↑ Pentium II 266
  3. ↑ Pentium II 300(C0)
  4. ↑ Pentium II 300
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Pentium II Overdrive(dB0)
  7. ↑ Pentium II Overdrive
  8. ↑ 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
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