Intel CPU `v5.0.0`

Intel 486SX

major

5

minor

0

patch

0

486SX

suffix

—

No suffix

Metadata

Property	Value
Brand	Intel
Intel name	Intel 486SX
Generation	i486
Microarchitecture	i486 (pipelined, on-die FPU)
Performance class	SX
Released	1991-041991
Data width	32-bit
Address width	32-bit
Base clock	16 MHz
Max clock	33 MHz
Cache	8 KB L1
Transistors	1,185,000
Socket	Socket 1
Features	Protected mode Memory management unit 32-bit (IA-32) Paging Virtual 8086 mode On-die L1 cache
Source	Curated (historical-cpus.json)

Uses (dependencies)

lithography: Intel Lithography v4.0.0 (1 µm CHMOS IV)

Used by (0)

Nothing depends on this version.

Changelog

Since the previous major (previous generation): Intel CPU `v4.0.0` (386SX)

Features

+On-die L1 cache

Specifications

~Microarchitecture: i386 (32-bit) → i486 (pipelined, on-die FPU)
~Data width: 32-bit (16-bit bus) → 32-bit
~Address width: 24-bit → 32-bit
~Max clock: 40 MHz → 33 MHz
+Cache: 8 KB L1
~Transistors: 275,000 → 1,185,000
−Package: 100-pin PQFP