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80486 - Microarchitectures - Intel
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80486 µarch
Designer Intel
Manufacturer Intel, AMD
Introduction April 10, 1989
Phase-out 1995
Process
1,000 nm
0.001 mm
1 µm,
0.8 μm
8.0e-4 mm
800 nm,
0.6 μm
6.0e-4 mm
600 nm
Succession
80386 P5
K5

80486 was the microarchitecture for Intel's 80486 line of microprocessors as a successor to the 80386. Introduced in April of 89, 80486 was initially manufactured using 1 µm process (later 800 nm). For AMD, this microarchitecture was used for their Am486 and Am5x86 families. This architecture was superseded by Intel's P5 in 1992 and K5 in 1994.

codename80486 +
designerIntel +
first launchedApril 10, 1989 +
full page nameintel/microarchitectures/80486 +
instance ofmicroarchitecture +
manufacturerIntel + and AMD +
name80486 +
phase-out1995 +
process1,000 nm (1 μm, 0.001 mm) +, 800 nm (0.8 μm, 8.0e-4 mm) + and 600 nm (0.6 μm, 6.0e-4 mm) +