POWER4

E758592

POWER4 is a 64-bit microprocessor developed by IBM that introduced a dual-core design and high-performance server capabilities in the early 2000s.

All labels observed (1)

Label Occurrences
POWER4 canonical 4

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf 64-bit microprocessor ⓘ
IBM POWER architecture processor ⓘ
microprocessor ⓘ
alsoKnownAs IBM POWER4 ⓘ
architecture POWER ⓘ
cacheHierarchy off-chip L3 cache support ⓘ
on-chip L1 cache ⓘ
on-chip L2 cache ⓘ
category server processor ⓘ
company IBM ⓘ
companyPlatform IBM eServer pSeries ⓘ
linked to: IBM RS/6000 systems
coreCount 2 ⓘ
design dual-core ⓘ
developer IBM ⓘ
dieIntegration two processor cores on a single die ⓘ
endianness big-endian ⓘ
executionType out-of-order execution ⓘ
fabricationTechnology CMOS ⓘ
family IBM POWER family ⓘ
floatingPointUnit integrated high-performance FPU ⓘ
generation fourth-generation POWER processor ⓘ
instructionSetArchitecture PowerPC ⓘ
introductionYear 2001 ⓘ
L1CacheType separate instruction and data caches ⓘ
marketPosition high-end RISC server CPU ⓘ
microarchitecture POWER4 microarchitecture ⓘ
notableFeature first commercially available dual-core POWER processor from IBM ⓘ
highly integrated chip with two cores and large shared cache ⓘ
operatingSystems AIX ⓘ
Linux on Power ⓘ
linked to: IBM Power Systems
pipelineType superscalar ⓘ
powerManagement server-optimized power and thermal design ⓘ
predecessor POWER3 ⓘ
primaryUse high-performance computing ⓘ
servers ⓘ
registerArchitecture general-purpose registers and floating-point registers per POWER/PowerPC spec ⓘ
successor POWER5 ⓘ
supports 64-bit floating-point operations ⓘ
64-bit integer operations ⓘ
RISC (reduced instruction set computing) principles ⓘ
simultaneous multithreading disabled (single-threaded per core) ⓘ
targetMarket UNIX servers ⓘ
enterprise servers ⓘ
technologyNode 130 nm-class process (approximate) ⓘ
usedIn IBM RS/6000 servers ⓘ
linked to: IBM RS/6000 systems

IBM pSeries servers ⓘ
linked to: IBM Power Systems
vendor IBM Microelectronics ⓘ
linked to: IBM
wordSize 64-bit ⓘ

How these facts were elicited

Referenced by (4)

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

POWER3 → successor → POWER4 ⓘ
POWER → hasVersion → POWER4 ⓘ