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80486 - Microarchitectures - Intel
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80486 µarch
General Info
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80486 was the microarchitecture for Intel's for 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). This architecture was superseded by the P5 in 1992.

codename80486 +
designerIntel +
first launchedApril 10, 1989 +
full page nameintel/microarchitectures/80486 +
instance ofmicroarchitecture +
instruction set architecturex86-32 +
manufacturerIntel + and AMD +
microarchitecture typeCPU +
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) +