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Intel Math CPUs

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Intel C8087-3

Picture of Intel C8087-3 - front side Picture of Intel C8087-3 - back side
  • Processor Speed:
    5.00 MHz
  • Bus Speed:
    5.00 MHz
  • FPU: yes
  • Mfg. date:
      week 42/1984
Follow this link for an introductory comment on this chip:
  -> http://cpu-museum.de/forum/viewtopic.php?p=48#48


Intel C80287-3

Picture of Intel C80287-3 - front side Picture of Intel C80287-3 - back side
  • Processor Speed:
    6.00 MHz
  • Bus Speed:
    6.00 MHz
  • FPU: yes
  • Introduction:
      1983
  • Mfg. date:
      week 23/1985


Intel D80287-8 '80'82

Picture of Intel D80287-8 '80'82 - front side Picture of Intel D80287-8 '80'82 - back side
  • Processor Speed:
    8.00 MHz
  • Bus Speed:
    8.00 MHz
  • FPU: yes
  • Introduction:
      1985
  • Mfg. date:
      week 23/1989


Intel D80287-10 '80'82

Picture of Intel D80287-10 '80'82 - front side Picture of Intel D80287-10 '80'82 - back side
  • Processor Speed:
    10.00 MHz
  • Bus Speed:
    10.00 MHz
  • FPU: yes
  • Introduction:
      1985
  • Mfg. date:
      week 4/1990


Intel C80287XL '80'86

Picture of Intel C80287XL '80'86 - front side Picture of Intel C80287XL '80'86 - back side
  • Processor Speed:
    12.00 MHz
  • Bus Speed:
    12.00 MHz
  • FPU: yes
  • Introduction:
      1990
  • Mfg. date:
      week 30/1990


Intel A80387DX 16 '86

Picture of Intel A80387DX 16 '86 - front side Picture of Intel A80387DX 16 '86 - back side
  • Processor Speed:
    16.00 MHz
  • Bus Speed:
    16.00 MHz
  • FPU: yes
  • Mfg. date:
      week 14/1989


Intel A80387DX-16 with Intel logo

Picture of Intel A80387DX-16 with Intel logo - front side Picture of Intel A80387DX-16 with Intel logo - back side
  • Processor Speed:
    16.00 MHz
  • Bus Speed:
    16.00 MHz
  • FPU: yes
  • Mfg. date:
      week 2/1990


Intel N80387SX 16

Picture of Intel N80387SX 16 - front side Picture of Intel N80387SX 16 - back side
  • Processor Speed:
    16.00 MHz
  • Bus Speed:
    16.00 MHz
  • FPU: yes
  • Introduction:
      6/1988
  • Mfg. date:
      week 25/1990


Intel A80387DX 20 1986

Picture of Intel A80387DX 20 1986 - front side Picture of Intel A80387DX 20 1986 - back side
  • Processor Speed:
    20.00 MHz
  • Bus Speed:
    20.00 MHz
  • FPU: yes
  • Mfg. date:
      week 18/1990


Intel A80387DX 25 1986

Picture of Intel A80387DX 25 1986 - front side Picture of Intel A80387DX 25 1986 - back side
  • Processor Speed:
    25.00 MHz
  • Bus Speed:
    25.00 MHz
  • FPU: yes
  • Mfg. date:
      week 23/1989


Intel A80387DX 16-33 '86'88

Picture of Intel A80387DX 16-33 '86'88 - front side Picture of Intel A80387DX 16-33 '86'88 - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 51/1991


Intel A80387DX 33 '86'88

Picture of Intel A80387DX 33 '86'88 - front side Picture of Intel A80387DX 33 '86'88 - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 18/1991