Intel Pentium III Xeon Tanner core

Pentium III family · All CPU core names

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Drake
  • » 0.25 micron
  • » 100 MHz FSB
  • » Up to 2 MB L2 cache
Pentium II Xeon
Tanner
  • » 0.25 micron
  • » SSE instructions
Pentium III Xeon
Katmai
  • » 512 KB L2 cache
  • » L2 cache runs at 1/2 CPU speed
  • » Works in 1- and 2-way systems
Pentium III
Cascades
  • » 0.18 micron
  • » On-die L2 cache
  • » 133 MHz FSB
Pentium III Xeon

The Tanner core was introduced on March 17, 1999. This core is based on P6 microarchitecture.

New core features:

  • SSE instructions

Pentium III Xeon processors with Tanner core can be identified by:

  • Part number: part number contains "80525K".
    An example: 80525PY550512.
  • CPU ID: First two digits of CPU identification numbers of Tanner processors are "67". Please note that Pentium III microprocessors with Katmai core have the same CPU IDs.

Pentium III Xeon
Manufacturing technology0.25 micron
Frequency500 MHz - 550 MHz
Fastest processor80525KY5502M (BX80525KY5502M) - 550 MHz, 2 MB L2 cache
80525KY5501M (BX80525KY5501M) - 550 MHz, 1 MB L2 cache
Front-side bus100 MHz
L2 cacheBackside 512 KB running at the CPU speed
Backside 1 MB running at the CPU speed
Backside 2 MB running at the CPU speed
PackageSingle Edge Contact Cartridge
SocketSlot 2

(c) Copyright 2003 Gennadiy Shvets