2002-11-14 Intel Pentium 4 3.06 GHz First chip based on the Northwood B core. Includes Hyperthreading.
2003-02-10 AMD Barton 0.13 um Athlon processor with 128KB of L1, and 512 KB of L2 cache. Available in XP, MP and 4 versions. XP and Mobile versions available in Q1, while MP show up in Q2. MP systems to start at 2800+ costing around $3000 while the 3000+ chip costs $588. Bus speed will move to 400 MHz later. Also known as Model 10.