- March 12
- Intel releases Pentium-M processors based on the Centrino architecture. [1777.91] [2088.46] [2089.24]
- Advanced Micro Devices introduces twelve new Athlon XP-M mobile processors, 25 to 72 watts power usage, up to 2.13 GHz speed. [1442.25] [1777]
- March
- Intel announces availability of the PXA255 processor, at 400 MHz speed, 200 MHz bus, 1.3-volt operation. [1777.90]
- March 24
- Intel begins providing samples of 200-400 MHz XScale processors to handheld device makers. The processors incorporate StrataFlash memory, allowing smaller handheld computers with improved battery life. [1559]
- January-March
- Market share of Intel-compatible microprocessors during January-March: Advanced Micro Devices 16.6%. [1559]
- April 1
- Intel releases the 2.3 and 2.4 GHz Celeron processor, for low-price computers. Prices are US$117 and US$127, respectively, in 1000-unit quantities. [1559]
- April 16
- Intel releases the 2.5 GHz Pentium 4-M processor, for portable computers. Price is US$562 in 1000-unit quantities. [1559]
- Intel releases the 2.2 GHz Celeron processor, for low-price computers. Price is US$149 in 1000-unit quantities. [1559]
- Intel releases the 1.26 GHz Celeron processor, for mininotebook computers. Price is US$107 in 1000-unit quantities. [1559]
- April 18
- Intel halts the release of the 3 GHz Pentium 4 with 800 MHz bus, due to an anomoly. [1777.7]
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- April 21
- Intel releases the 3 GHz Pentium 4 processor with 800 MHz front-side bus. Price is US$417 in 1000-unit quantities. The previously discovered problem is resolved by a software patch. [1599.8]
- April 22
- Advanced Micro Devices releases the Opteron processor. It features 32-bit and 64-bit instruction operation, without requiring 32-bit code to be re-written. [1559] (April 21 [1695.20]) (March [2321.34])
- Advanced Micro Devices releases the Athlon XP 2500+ processor. Price is US$124 in 1000-unit quantities. [1599.8]
- May 6
- Advanced Micro Devices launches the Athlon MP 2800+ processor for workstations. Price is US$275 in 1000-unit quantities. [1559]
- May 13
- Advanced Micro Devices releases the Athlon XP 3200+ desktop processor. It features 400 MHz system bus. Price is US$464 in 1000-unit quantities. [1559] (May 26 [1599.8])
- May 21
- Intel releases the 2.4, 2.6, and 2.8 GHz Pentium 4 processor with 800 MHz front-side bus. Prices are US$180, US$228, and US$278 respectively in 1000-unit quantities. [1599.8] [1788.8]
- May 26
- Advanced Micro Devices releases the Athlon XP 3200+ processor. It features 333 MHz front-side bus. Price is US$464 in 1000-unit quantities. [1788.8]
- Advanced Micro Devices releases the Athlon XP 3000+ desktop processor. It features 400 MHz system bus. Price is US$280 in 1000-unit quantities. [1599.8]
- June 9
- 25th anniversary of 8086. Earlier this year, 1 billionth based on x86 shipped. To date, AMD has shipped about 200 mill x86 processors. [1559]
- June 11
- Intel releases 2.4, 2.66, 2.8, and 3.06 GHz mobile Pentium 4 processors. Each features SpeedStep battery-saving technology, and 533 MHz system bus. Prices range from US$186 to US$417 in 1000-unit quantities. [1559]
- Intel releases 2.2, 2.3, and 2.4 GHz mobile Celeron processors. Prices range from US$74 to US$84 in 1000-unit quantities. [1559]
- Intel releases the 2.6 GHz Pentium 4-M processor. Price is US$562 in 1000-unit quantities. [1559]
- Intel releases the 2.4 GHz low power mobile Celeron processor. Price is US$149 in 1000-unit quantities. [1559]
- June 23
- Intel releases the 3.2 GHz Pentium 4 processor. It features Hyper-Threading, and system bus up to 800 MHz. Price is US$637 in 1000 unit quantities. [1559] [1599.8] [1788.8]
- June 25
- Intel releases 2.5 and 2.6 GHz Celeron processors. They feature 218 kB cache, and 400 MHz system bus. Prices are US$89 (2.5 GHz) and US$103 (2.6 GHz) in 1000-unit quantities. [1559]
- June 30
- Intel debuts the Itanium 2 processor. Code-name during development was Madison. [1559]
- April-June
- Market share of PC processor shipments during April to June: Intel 82.6%. [1559]
- (month unknown)
- National Semiconductor sells its Geode processor division to Advanced Micro Devices. [1559]
- September 16
- Intel announces the 3.2 GHz Pentium 4 Extreme Edition. It features 2 MB level three cache. [1559]
- September 23
- In San Francisco, California, Advanced Micro Devices launches the 64-bit Athlon 64 processor. The 2.2 GHz Athlon 64 FX-51 is priced at US$733 in 1000-unit quantities. The Athlon 64 3200+ is priced at US$417, and the Athlon 3000+ is priced at US$278. [1453.30] [1559] [1600.8] [1602.8] [1727.45] [1897.132] [2462.57]
- July-September
- Market share of Intel-compatible microprocessors during July-September: Intel 83.3%, Advanced Micro Devices 15.1-15.7%. [1559]
- November 3
- Intel releases the 3.2 GHz Pentium 4 Extreme Edition processor, with 2 MB cache. Price is US$925 in 1000-unit quantities. [1600.8]
- December
- Advanced Micro Devices releases the 2 GHz Athlon 64 3000+ processor. It features 512 kB level 2 cache. Price is US$218 in 1000-unit quantities. [1559]
- October-December
- Market share of x86 personal computer processors in the USA during October to December: Intel 83.7%, Advanced Micro Devices 14.7%. [1559]
- Market share of PC processor shipments during October to December: Intel 82.8%, Advanced Micro Devices 15.5%. [1559]
- Year
- Market share of PC processor shipments during the year: Intel 82.9%, Advanced Micro Devices 15.4%. [1559]
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