2002-01-07 Intel Ships Pentium 4 Processor Operating At 2.2 Billion Cycles Per Second: Highest Performance for Music, Video and Photo-Intensive Applications
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2002-01-07 Intel Pentium 4 2.2
Willamette core shrunk to 0.13 um starting at 2.2 GHz introduced at $562. Uses the 478 pin socket and the Tehama or Brookdale North Bridge. Includes 512 kB cache.