Core specifications

Core specifications
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It has been suggested that this article or section be merged into List of Intel Pentium III microprocessors. (Discuss)

Katmai (0.25 µm)

* L1-Cache: 16 + 16 KiB (Data + Instructions)
* L2-Cache: 512 KiB, external chips on CPU module at 50% of CPU-speed
* MMX, SSE
* Slot 1 (SECC, SECC2)
* Front side bus: 100, 133 MHz
* VCore: 2.0 V, (600 MHz: 2.05 V)
* First release: May 17, 1999
* Clockrate: 450-600 MHz
o 100 MHz FSB: 450, 500, 550, 600 MHz
o 133 MHz FSB: 533, 600 MHz (B-models)

Coppermine (0.18 µm)

* L1-Cache: 16 + 16 KiB (Data + Instructions)
* L2-Cache: 256 KiB, fullspeed
* MMX, SSE
* Slot 1 (SECC2), Socket 370 (FC-PGA)
* Front side bus: 100, 133 MHz
* VCore: 1.6V, 1.65V, 1.70V, 1.76V (cD0, see below)
* First release: October 25, 1999
* Clockrate: 500 - 1133 MHz
o 100 MHz FSB: 500, 550, 600, 650, 700, 750, 800, 850, 900, 1000, 1100 MHz (E-Models)
o 133 MHz FSB: 533, 600, 667, 733, 800, 866, 933, 1000, 1133 MHz (EB-Models)

Coppermine-T (0.18 µm)

* L1-Cache: 16 + 16 KiB (Data + Instructions)
* L2-Cache: 256 KiB, fullspeed
* MMX, SSE
* Socket 370 (FC-PGA, FC-PGA2)
* Front side bus: 100 and 133 MHz
* VCore: 1.75 V
* First release: June 2001
* Clockrate: 600 - 1133 MHz
o 133 MHz FSB: 800, 866, 933, 1000, 1133 MHz

Tualatin (0.13 µm)

* L1-Cache: 16 + 16 KiB (Data + Instructions)
* L2-Cache: 256 or 512 KiB, fullspeed
* MMX, SSE, Hardware prefetch
* Socket 370 (FC-PGA2)
* Front side bus: 133 MHz
* VCore: 1.45, 1.475 V
* First release: 2001
* Clockrate: 1000 - 1400 MHz
o Pentium III (256 KiB L2-Cache): 1000, 1133, 1200, 1333, 1400 MHz
o Pentium III-S (512 KiB L2-Cache): 1133, 1266, 1400 MHz