References are numbered in [brackets], which are listed here. A number after the dot gives the page in the source.

Last updated: 2023 October 25.

2000

January 4

• Intel releases the 533 MHz Celeron processor, with 66 MHz system bus. Price is US167ドル each in 1000-unit quantities. [1559]

January 6

• At the Consumer Electronics Show, Advanced Micro Devices, KryoTech, and Compaq Computer demonstrate a specially-cooled 1 GHz Athlon processor running in a Compaq computer. [1559]
• At the Consumer Electronics Show, Advanced Micro Devices releases the 800 MHz Athlon processor. [1559] [1635.52]

January 18

• Intel announces the 600 MHz Mobile Pentium III processor, with SpeedStep technology. The processor can run at 500 MHz on battery power, consuming about half power of full-speed mode. Code-name during development was Geyserville. [1233.135] [1266.32] [1559] [1708.52]

January 19

• Transmeta announces a new processor family, code-named Crusoe, compatible with the Intel x86 design, for low-power use in portable computers. The first processor is the 700 MHz TM3120. [1168.146] [1412.137] [1416.62] [1464.94] [1468.46] [1746.102]

February 7

• At the International Solid State Circuits Conference, Advanced Micro Devices demonstrates an Athlon processor operating at 1.1 GHz. Intel demonstrates a prototype 1 GHz Pentium III processor. [1030.3] [1559] [1739.55]

February 11

• Advanced Micro Devices introduces the 850 MHz Athlon processor. Price is US849ドル in 1000 unit quantities. [975.12] [1559] [1635.52]

February 15

• At the Intel Developer's Forum, Intel demonstrates an upcoming 32-bit processor, code-named Willamette, running at 1.5 GHz. [1030.3] [1559] [1741.113]

February 22

• Advanced Micro Devices releases the 550 MHz K6-2 processor. Price is US189ドル in 1000-unit quantities. [1559]
• Via unveils the Cyrix III processor, with speeds of 400 and 433 MHz, and system bus speeds of 100, 124, and 133 MHz. Prices are US89ドル and US99ドル. Via expects to begin shipping the processor in April. Code-name during development was Joshua. [1559]

March 3

• Advanced Micro Devices announces it is phasing out its K6-III processor line. [1559]

March 6

• Advanced Micro Devices releases 900, 950 MHz, and 1 GHz Athlon processors. Each processor features 512 kB of Level 2 off-chip cache. Prices are US899,ドル US999,ドル and US1299ドル in 1000-unit quantities. [1119.1] [1214.32] [1236.98] [1559] [1635.48]

March 8

• Intel announces and begins shipping the 1 GHz Pentium III processor in limited quantities. [1030.3] [1119.1] [1214.32] [1231.72] [1236.98] [1559] [1635.49]

March 20

• Intel releases the 850 and 866 MHz Pentium III processors. Prices are US765ドル and US776ドル in 1000-unit quantities. [1559]

March 29

• Intel introduces the 566 and 600 MHz Celeron processors, with multimedia instructions, 66 MHz bus, and 128 kB integrated Level 2 cache. Prices are US167ドル and US181ドル in 1000-unit quantities. [1180.40] [1559]

April 27

• Advanced Micro Devices announces that its upcoming low-cost processor, currently code-named Spitfire, will be called Duron when it is released in June. [1559]
  
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May 24

• Intel releases the 933 MHz Pentium III processor. It features 256 kB of Level 2 on-chip cache. Price is US794ドル in 1000-unit quantities. [1214.32] [1559]

(month unknown)

• Intel introduces the 500 MHz mobile Celeron processor. It features 128 kB level 2 cache, and was created using a 0.18-micron process. Price is US134ドル in 1000 unit quantities. [1055.45]
• Intel introduces the 450 MHz mobile Celeron processor. It features 128 kB level 2 cache, and was created using a 0.18-micron process. Price is US96ドル in 1000 unit quantities. [1055.45]
• Intel introduces the 400 MHz mobile Celeron processor. It operates at 1.35 volts, designed for small notebook computers. It features 128 kB level 2 cache, and was created using a 0.18-micron process. Price is US96ドル in 1000 unit quantities. [1055.45]

June 5

• Advanced Micro Devices introduces 750 MHz to 1 GHz Athlon processors. The processor includes integrated 256 kB Level 2 cache. Prices range from US319ドル to US990ドル. Code-name during development was Thunderbird. [1559]
• Advanced Micro Devices begins shipping 600 to 700 MHz Duron processors to computer manufacturers. Prices start at US112ドル. [1559]

June 6

• At the Computex trade show, Via Technologies of Taiwan introduces the Cyrix III processor. Speeds are 533 to 667 MHz, priced between US75ドル and US160ドル. [1559]

June 19

• Advanced Micro Devices introduces the Duron processor, available in speeds of 600, 650 and 700 MHz. It features 3DNow! multimedia instruction set, 192 kB Level 1 cache, 200 MHz bus, 64 MB Level 2 cache, and 64-bit path to Level 2 cache. The processor incorporates 25 million transistors in 0.18 micron technology. Prices are US112,ドル US154,ドル and US192ドル in 1000-unit quantities. Code-name during development was Spitfire. [1180.40] [1231.72] [1236.41] [1278.114] [1559]
• Intel releases 600 and 750 MHz mobile Pentium III processors. Prices are US316ドル and US562ドル each in 1000-unit quantities. [1559]
• Intel releases 500, 600, and 650 MHz mobile Celeron processors. Prices are US134,ドル US134,ドル and US181ドル each in 1000-unit quantities. [1559]

June 26

• Intel launches 633, 667, and 700 MHz Celeron processors. Prices are US138,ドル US170,ドル US192ドル in 1000-unit quantities. [1180.40] [1559]
• Advanced Micro Devices unveils 550 and 533 MHz K6-2+ processors for notebook computers. Prices are US85ドル and US99ドル in 1000-unit quantities. [1559]

June 28

• Intel announces that the processor code-named "Willamette" will formally be called Pentium 4. [1097.12] [1559]

(month unknown)

• At an Intel developer conference, Intel demonstrates a 2 GHz Pentium 4 processor. [1179.7]
• Gabon issues a postage stamp depicting a microprocessor, as an achievement of the 20th century. [2422.19]

July

• Advanced Micro Devices begins shipping the Duron processor in volume. [1231.72]

July 31

• Intel releases the 1.13 GHz Pentium III processor. It incorporates 44 million transistors in a 0.13-micron process. Code-name during development was Tualatin. [1119.1] [1179.54] [1559] (August [11.23])

August 22

• Intel announces the 1.4 GHz Pentium 4 processor, incorporating 42 million transistors. [1750.78]

August 23

• Intel announces the XScale processor for future handheld computers, and demonstrates a processor running at 1 GHz. [1559]

August 28

• Advanced Micro Devices begins volume shipments of its 1.1 GHz Athlon processor. [1046.6] [1179.54] [1260.64] [1559]
• Intel temporarily ceases production of its 1.13 GHz Pentium III processor, and recalls those that have been shipped, due to the discovery of system hangs under certain conditions. [1046.6] [11.23] [1119.13] [1179.54] [1260.64] [1559] [1751.50]

September 5

• Advanced Micro Devices unveils the 750 MHz Duron processor. Price is US181ドル each in 1000-unit quantities. [1172.162] [1236.41] [1559]

September

• Intel cancels a processor code-named Timna, that was to integrate graphics and memory controllers. [1260.64]

September 25

• Intel releases 800 and 850 MHz mobile Pentium III processors. Prices are US508ドル and US722ドル each in 1000-unit quantities. [1559]
• Intel releases the 700 MHz mobile Celeron processor. Price is US181ドル each in 1000-unit quantities. [1559]

September 27

• In New York, Sun Microsystems announces the UltraSPARC III processor. The processor incorporates 29 million transistors. Speeds available are 600 and 750 MHz. [14.1] [1559]

October

• Transmeta releases the 600 MHz Crusoe processor. [1172.162]
• Transmeta releases the 600 MHz Crusoe processor. [1172.162]

October 17

• Advanced Micro Devices officially releases the 1.2 GHz Athlon processor. Price is US612ドル in 1000-unit quantities. [69.28] [1172.162] [1559]
• Advanced Micro Devices officially releases the 800 MHz Duron processor. Price is US172ドル in 1000-unit quantities. [69.28] [1559]

November 13

• Intel releases the 733 and 766 MHz Celeron processors. Prices are US112ドル and US170ドル each in 1000-unit quantities. [1559]

November 20

• At the Comdex trade show, Intel introduces the Pentium 4 processor, at speeds of 1.4 and 1.5 GHz. It features 8 kB Level 1 data cache, 12 kB Level 1 instruction cache, 256 kB Level 2 cache, 400 MHz system bus, NetBurst micro-architecture. The processor requires Rambus memory be used with it. The processor includes MMX and SSE instructions, and adds 144 new multimedia instructions: Streaming SIMD Extensions 2 (SSE2). The processor incorporates 42 million transistors in a 0.18-micron process. Code-name during development was Willamette. Prices are US819ドル (1.5 GHz) and US644ドル (1.4 GHz) in 1000-unit quantities. [52.13] [69.28] [1168.30] [1172.161] [1236.41] [1260.64] [1262.36] [1263.60] [1278.114] [1454.124] [1551.8] [1559] (September [1179.69]) (October [1897.132])

November

• At Comdex, Advanced Micro Devices demonstrates computer systems running a 1.5 GHz AMD processor. [52.13]

(month unknown)

• Advanced Micro Devices ceases production of the K6 mobile processor line. [1493.163]

Year

• Market share of personal computer processors: Intel 82.2%, Advanced Micro Devices 16.7%. [1559]
• Market share of desktop personal computer processors worldwide: Advanced Micro Devices 18%. [1559]