Introduced May 7, 1997
Pentium Pro with MMX and improved 16-bit performance
242-pin Slot 1 (SEC) processor package
Slot 1
Number of transistors 7.5 million
32 KB L1 cache
512 KB ½ bandwidth external L2 cache
The only Pentium II that did not have the L2 cache at ½ bandwidth of the core was the Pentium II 450 PE.
Klamath - 0.35 µm process technology (233, 266, 300 MHz)
66 MHz system bus clock rate
Family 6 model 3
Variants
233 MHz Introduced May 7, 1997
266 MHz Introduced May 7, 1997
300 MHz Introduced May 7, 1997
Deschutes - 0.25 µm process technology (333, 350, 400, 450 MHz)
Introduced January 26, 1998
66 MHz system bus clock rate (333 MHz variant), 100 MHz system bus clock rate for all models after
Family 6 model 5
Variants
333 MHz Introduced January 26, 1998
350 MHz Introduced April 15, 1998
400 MHz Introduced April 15, 1998
450 MHz Introduced August 24, 1998
233 MHz (Mobile) Introduced April 2, 1998
266 MHz (Mobile) Introduced April 2, 1998
333 MHz Pentium II Overdrive processor for Socket 8 Introduced August 10, 1998; Engineering Sample Photo
300 MHz (Mobile) Introduced September 9, 1998
333 MHz (Mobile)
[edit]
Celeron (Pentium II-based)
Covington - 0.25 µm process technology
Introduced April 15, 1998
242-pin Slot 1 SEPP (Single Edge Processor Package)
Number of transistors 7.5 million
66 MHz system bus clock rate
Slot 1
32 KB L1 cache
No L2 cache
Variants
266 MHz Introduced April 15, 1998
300 MHz Introduced June 9, 1998
Mendocino - 0.25 µm process technology
Introduced August 24, 1998
242-pin Slot 1 SEPP (Single Edge Processor Package), Socket 370 PPGA package
Number of transistors 19 million
66 MHz system bus clock rate
Slot 1, Socket 370
32 KB L1 cache
128 KB integrated cache
Family 6 model 6
Variants
300 A MHz Introduced August 24, 1998
333 MHz Introduced August 24, 1998
366 MHz Introduced January 4, 1999
400 MHz Introduced January 4, 1999
433 MHz Introduced March 22, 1999
466 MHz
500 MHz Introduced August 2, 1999
533 MHz Introduced January 4, 2000
266 MHz (Mobile)
300 MHz (Mobile)
333 MHz (Mobile) Introduced April 5, 1999
366 MHz (Mobile)
400 MHz (Mobile)
433 MHz (Mobile)
450 MHz (Mobile) Introduced February 14, 2000
466 MHz (Mobile)
500 MHz (Mobile) Introduced February 14, 2000
Pentium II Xeon (chronological entry)
Introduced June 29, 1998
See main entry
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