Pentium was introduced in 1993, followed by
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Pentium Pro in 1995,
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Pentium II in 1997,
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Pentium III in 1999,
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Pentium IV 2001.
Similar to 80486 but with 64-bit data bus.
Wider internal datapaths: 128- and 256-bit wide.
Added second execution pipeline.
Superscalar performance allows two instructions per clock cycle.
Doubled on-chip level-1 cache:
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one 8 KB for data
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another 8 KB for instructions.
Added branch prediction.
See also:
