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Intel 80486SX

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Intel A80486SX-16 16MHz
Picture of Intel A80486SX-16 16MHz - front side Picture of Intel A80486SX-16 16MHz - back side
  • Processor Speed:
    16.00 MHz
  • Bus Speed:
    16.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Introduction:
      1991
  • Mfg. date:
      week 51/1991

Intel A80486SX-20 20MHz
Picture of Intel A80486SX-20 20MHz - front side Picture of Intel A80486SX-20 20MHz - back side
  • Processor Speed:
    20.00 MHz
  • Bus Speed:
    20.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Introduction:
      4/1991
  • Mfg. date:
      week 35/1991

Intel A80486SX-25 25MHz
Picture of Intel A80486SX-25 25MHz - front side Picture of Intel A80486SX-25 25MHz - back side
  • Processor Speed:
    25.00 MHz
  • Bus Speed:
    25.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Introduction:
      9/1991
  • Mfg. date:
      week 9/1994

Performance:
doombench / doom 1.9s1high detaillow detail
full screen11.7 fps19.5 fps
small screen13.9 fps21.3 fps
1: System: OPTI 82C895 MB /w 256k cache, 16MB RAM, CL-GD5428 VLB-VGA (1MB), 850MB WD-AC2850 IDE, DOS6.

Intel KU80486SX-25 25MHz
Picture of Intel KU80486SX-25 25MHz - front side Picture of Intel KU80486SX-25 25MHz - back side
  • Processor Speed:
    25.00 MHz
  • Bus Speed:
    25.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Mfg. date:
      week 20/1993

Performance:
doombench / doom 1.9s1high detaillow detail
full screen11.7 fps19.5 fps
small screen13.9 fps21.3 fps
1: System: OPTI 82C895 MB /w 256k cache, 16MB RAM, CL-GD5428 VLB-VGA (1MB), 850MB WD-AC2850 IDE, DOS6.

Intel A80486SX-33 33MHz
Picture of Intel A80486SX-33 33MHz - front side Picture of Intel A80486SX-33 33MHz - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Introduction:
      9/1992
  • Mfg. date:
      week 45/1994

Performance:
doombench / doom 1.9s1high detaillow detail
full screen15.5 fps25.8 fps
small screen18.5 fps28.2 fps
1: System: OPTI 82C895 MB /w 256k cache, 16MB RAM, CL-GD5428 VLB-VGA (1MB), 850MB WD-AC2850 IDE, DOS6.

Intel KU80486SX-33 33MHz
Picture of Intel KU80486SX-33 33MHz - front side Picture of Intel KU80486SX-33 33MHz - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Mfg. date:
      week 31/1993
Follow this link for an introductory comment on this chip:
  -> http://cpu-museum.de/forum/viewtopic.php?p=92#92

Performance:
doombench / doom 1.9s1high detaillow detail
full screen15.5 fps25.8 fps
small screen18.5 fps28.2 fps
1: System: OPTI 82C895 MB /w 256k cache, 16MB RAM, CL-GD5428 VLB-VGA (1MB), 850MB WD-AC2850 IDE, DOS6.

Intel A80486SX2-50 50MHz
Picture of Intel A80486SX2-50 50MHz - front side Picture of Intel A80486SX2-50 50MHz - back side
  • Processor Speed:
    50.00 MHz
  • Bus Speed:
    25.00 MHz
  • L1 Cache: 8 kByte
  • FPU: no
  • Mfg. date:
      week 9/1994