Intel i486SX-20: specs and benchmarks

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Summary

This is a 80486 architecture notebook processor primarily aimed at home systems.

Primary details

i486SX-20 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the rankingnot rated
Place by popularitynot in top-100
Market segmentLaptop
SeriesIntel 80486
Architecture codename80486 (1989)
Release dateno data

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores1 (Single-Core)
Boost clock speed0.02 GHzof 50 MHz (i486DX-50)
Bus typeFSB
Bus rate20 MT/s
Multiplier1of 42 (Core i7-7700K)
L1 cache8 KBof 7475.2 KB (Apple M2 Pro 10-Core)
Chip lithography1 µm, 800 nmof 0.18 µm (K6-2+/450ACZ)
Number of transistors1 Millionof 135,240 million (EPYC 9684X)
64 bit support-

Memory specs

Types, maximum amount and channel number of RAM supported by i486SX-20's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Maximum memory size4 GBof 6 TiB (EPYC 9654)

Benchmark performance

Single-core and multi-core benchmark results of i486SX-20. Overall benchmark performance is measured in points in 0-100 range, higher is better.


We have no data on i486SX-20 benchmark results.


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