Evolution of CPU of a Computer

By CWang17

  • Intel 4004 Processor

    Intel 4004 Processor
    4-bit CPU, clocked at 749 KHz, and $26 in today's money

  • Intel 8008 Processor

    Intel 8008 Processor
    8-bit CPU, clocked at 200 KHz to 800 KHz, originally called the 1201, and costs 120 dollars in today’s money.

  • Intel 8080 Processor

    Intel 8080 Processor
    8-bit CPU, clocked at 2000 KHz, cost 360 dollars in today’s money, and maximum memory size increased from 16KB to 64KB.

  • Intel 8085 Processor

    Intel 8085 Processor
    8-bit CPU, clocked at around 3000 KHz, memory size: 64KB, and still used in the year, 2020.

  • Intel 8088 Processor

    Intel 8088 Processor
    16-bit CPU, clocked at around 5000 to 10000 KHz, US128 dollars, and 1mb of memory.

  • Intel 80386 Processor

    Intel 80386 Processor
    A 32-bit CPU, clocked at around 12,000 to 40,000 KHz, supports physical memory addressability of 4 GB, and virtual memory of 64TB.

  • Intel Pentium

    Intel Pentium
    32-bit CPU, clocked at around 60,000 KHz, supports pipe lining, 8KB of dedicated caching, and supports burst read plus burst write back cycles.

  • Intel Pentium II

    Intel Pentium II
    The 64-bit CPU, clocked at around 500,000 KHz, is a super scale CPU, having about 7.5 transistors.