Intel Pentium Pro

Pentium MMX ◄ Pentium Pro ► Pentium II Xeon/Pentium II


Intel Pentium Pro © Intel
Intel Pentium Pro © Intel

The Pentium Pro is a sixth-generation x86 microprocessor developed and manufactured by Intel introduced in November 1, 1995. It introduced the P6 microarchitecture (sometimes referred to as i686) and was originally intended to replace the original Pentium in a full range of applications. While the Pentium and Pentium MMX had 3.1 and 4.5 million transistors, respectively, the Pentium Pro contained 5.5 million transistors. Later, it was reduced to a more narrow role as a server and high-end desktop processor and was used in supercomputers like ASCI Red, the first computer to reach the teraFLOPS performance mark. The Pentium Pro was capable of both dual- and quad-processor configurations. It only came in one form factor, the relatively large rectangular Socket 8. The Pentium Pro was succeeded by the Pentium II Xeon in 1998.

The Pentium Pro (P6, 1995)

Intel Pentium Pro 180 MHz 256K

BP80521180 256K
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Intel Pentium Pro 200 MHz 256K

CPU die:

Cache:


KB80521EX200 256K
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Intel Pentium Pro 200 MHz 512K

KB80521EX200 512K
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Unlisted models:

 

  • Pentium Pro 256K: 150 MHz, 180 MHz
  • Pentium Pro 512K: 166 MHz
  • Pentium Pro 1M: 200 MHz

 

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