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POWER4 - Microarchitectures - IBM
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POWER4 µarch
General Info
Arch TypeCPU
DesignerIBM
ManufacturerIBM
Introduction2001
Process180 nm
Succession

POWER4 is the Power microarchitecture for IBM's family of POWER4 processors that was introduced in 2001. POWER4 the successor to POWER3.

Die

Dual-Core

ibm power 4 die shot.jpeg
codenamePOWER4 +
designerIBM +
first launched2001 +
full page nameibm/microarchitectures/power4 +
instance ofmicroarchitecture +
manufacturerIBM +
microarchitecture typeCPU +
namePOWER4 +
process180 nm (0.18 μm, 1.8e-4 mm) +