DEC Alpha 21164

E441939
64-bit microprocessor RISC microprocessor microprocessor

The DEC Alpha 21164 is a 64-bit RISC microprocessor from Digital Equipment Corporation’s Alpha family, known for its high performance and use in advanced workstations and servers in the mid-1990s.

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Observed surface forms (1)

Surface form Occurrences
Alpha 21164 1

Statements (46)

Predicate Object
instanceOf 64-bit microprocessor ⓘ
RISC microprocessor ⓘ
microprocessor ⓘ
alsoKnownAs Alpha 21164 NERFINISHED ⓘ
EV5 NERFINISHED ⓘ
applicationDomain enterprise servers ⓘ
high-end technical computing ⓘ
architecture Alpha ⓘ
belongsToSeries Alpha 21064–21164–21264 line NERFINISHED ⓘ
cacheType split L1 instruction and data caches ⓘ
cpuFamily Alpha 21064 family ⓘ
designedBy Digital Equipment Corporation NERFINISHED ⓘ
designType RISC ⓘ
executionUnits floating-point units ⓘ
multiple integer units ⓘ
familyGeneration second-generation Alpha microprocessor ⓘ
hasSuccessor DEC Alpha 21264 NERFINISHED ⓘ
instructionSetArchitecture Alpha ISA NERFINISHED ⓘ
intendedUse servers ⓘ
workstations ⓘ
introductionPeriod mid-1990s ⓘ
introductionYear 1995 ⓘ
manufacturer Digital Equipment Corporation NERFINISHED ⓘ
marketPosition high-end RISC CPU ⓘ
notableFeature aggressive superscalar design for its time ⓘ
large on-chip caches for mid-1990s ⓘ
notableFor high performance ⓘ
onChipCache data cache ⓘ
instruction cache ⓘ
secondary cache ⓘ
partOfFamily DEC Alpha NERFINISHED ⓘ
pipelineType superscalar ⓘ
successorOf DEC Alpha 21064 NERFINISHED ⓘ
supports 64-bit integer operations ⓘ
64-bit virtual address space ⓘ
targetOperatingSystems Digital UNIX NERFINISHED ⓘ
OpenVMS NERFINISHED ⓘ
Windows NT on Alpha NERFINISHED ⓘ
technologyEra 1990s ⓘ
usedFor database servers ⓘ
engineering applications ⓘ
scientific computing ⓘ
usedIn Digital servers ⓘ
Digital workstations ⓘ
vendor Digital Equipment Corporation NERFINISHED ⓘ
wordSize 64-bit ⓘ

Referenced by (2)

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

DEC Alpha servers → basedOnProcessorFamily → DEC Alpha 21164 ⓘ
Alpha architecture → notableImplementation → DEC Alpha 21164 ⓘ
this entity surface form: Alpha 21164