The Microprocessor

The advancement of the microprocessor is one of the most amazing timelines you can observe. I've compiled a list of the significant milestones Intel Corporation, the world's largest producer of microprocessors, achieved from 1972 to the present day. If you're like me, you may not understand what difference between the speed of a Megahertz (MHz) and a Gigahertz (GHz) represents. All you really need to know is speed comparison. Basic math will tell you 20 MHz is ten times the speed of 200 MHz, and 1 GHz is simply equally to 1000 MHz.

April 1972
Name of Processor: 8008
Clock speed: 200 kilohertz
Number of transistors: 3,500

December 1974
Name of Processor: 8080
Clock speed: 2 MHz
Number of transistors: 6,000

August 1976
Name of Processor: 8085
Clock speed: 5 MHz
Number of transistors: 6,500

September 1978
Name of Processor: 8086
Clock speed: 10 MHz
Number of transistors: 29,000

February 1982
Name of Processor: 286
Clock speed: 12 MHz
Number of transistors: 134,000

October 1985
Name of Processor: 386
Clock speed: 16 MHz
Number of transistors: 275,000

February 1987
Name of Processor: 386
Clock speed: 20 MHz
Number of transistors: 275,000

April 1989
Name of Processor: 486
Clock speed: 25 MHz
Number of transistors: 1,200,000

June 1991
Name of Processor: 486
Clock speed: 50 MHz
Number of transistors: 1,200,000

March 1993
Name of Processor: Pentium
Clock speed: 60 MHz
Number of transistors: 3.1 million

March 1994
Name of Processor: Pentium
Clock speed: 75 MHz
Number of transistors: 3.2 million

March 1995
Name of Processor: Pentium
Clock speed: 120 MHz
Number of transistors: 3.2 million

June 1995
Name of Processor: Pentium
Clock speed: 133 MHz
Number of transistors: 3.3 million

January 1996
Name of Processor: Pentium
Clock speed: 166 MHz
Number of transistors: 3.3 million

June 1996
Name of Processor: Pentium
Clock speed: 200 MHz
Number of transistors: 3.3 million

May 1997
Name of Processor: Pentium II
Clock speed: 300 MHz
Number of transistors: 3.3 million

April 1998
Name of Processor: Pentium II
Clock speed: 400 MHz
Number of transistors: 7.5 million

August 1998
Name of Processor: Pentium II
Clock speed: 450 MHz
Number of transistors: 7.5 million

August 1999
Name of Processor: Pentium III
Clock speed: 600 MHz
Number of transistors: 9.5 million

October 1999
Name of Processor: Pentium III
Clock speed: 733 MHz
Number of transistors: 28 million

January 2000
Name of Processor: Pentium III
Clock speed: 800 MHz
Number of transistors: 28 million

March 2000
Name of Processor: Pentium III
Clock speed: 1.0 GHz
Number of transistors: 28 million

November 2000
Name of Processor: Pentium 4
Clock speed: 1.5 GHz
Number of transistors: 42 million

April 2001
Name of Processor: Pentium 4
Clock speed: 1.7 GHz
Number of transistors: 42 million

Aug 2001
Name of Processor: Pentium 4
Clock speed: 2 GHz
Number of transistors: 42 million

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