Cyrix 486

E637109

The Cyrix 486 was a line of x86-compatible microprocessors designed by Cyrix as a cost-effective, high-performance alternative to Intel’s 80486 CPUs in the early 1990s.

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Statements (43)

Predicate Object
instanceOf microprocessor family
x86-compatible microprocessor
architecture x86 NERFINISHED
binaryCompatibleWith Intel 80486 software
category Cyrix microprocessors NERFINISHED
Intel 80486 compatible processors
x86 microprocessors
companyCountry United States NERFINISHED
compatibleWith Intel 80486 NERFINISHED
competesWith AMD 486 NERFINISHED
IBM 486 NERFINISHED
Intel 80486 NERFINISHED
designer Cyrix NERFINISHED
fabricationBy IBM Microelectronics NERFINISHED
fabricationBy Texas Instruments NERFINISHED
fabricationModel fabless design model
familyMember Cyrix Cx486DLC NERFINISHED
Cyrix Cx486DX NERFINISHED
Cyrix Cx486DX2 NERFINISHED
Cyrix Cx486DX4 NERFINISHED
Cyrix Cx486S NERFINISHED
Cyrix Cx486SLC NERFINISHED
historicalRole contributed to x86 CPU price competition in the 1990s
instructionSet IA-32 NERFINISHED
intendedAs cost-effective alternative to Intel 80486
high-performance alternative to Intel 80486
introducedInPeriod early 1990s
marketedAs 486-class CPU
notableFeature drop-in compatibility with many 486 sockets
emphasis on price-performance ratio
used as upgrade path for 386 and 486 systems
productionStatus discontinued
successor Cyrix 5x86 NERFINISHED
Cyrix 6x86 NERFINISHED
supports 32-bit x86 instruction set
targetMarket OEM system builders
PC market
cost-sensitive users
technologyGeneration fourth-generation x86
typicalUseCase DOS and early Windows software
office applications
usedIn desktop computers
low-cost PCs

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Intel 80486 notableCompetitor Cyrix 486