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IBM Power4

Introduced: 2001-11-21

Description: Includes two cores. From MDR: "The Power4 has an eight-issue superscalar core, 12.8GB/s of memory bandwidth, 1.5MB of L2 cache, and 128MB of external L3 cache."

Type: Processors [Roadmap] [Timeline]

State: Released

Quick Specs

Die size414 mm2
Bus speed500 MHz
L2 cache1.41 MB (shared)
L1 cache64KB I, 32 KB D (per core)
Process180 nm
Core speed1.3 GHz
Transistors170 M
Core voltage1.5 V
L3 cache32 MB (shared, off chip)
TypeServer, 2 cores

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News clips relating to IBM Power4

Showing 1-9 from 9 results. Page: [1 ]

2004-10-25 CPUs Rev New Engines: Emerging Technologies: Instead of increasing CPU clock speeds, chip makers are adding processor cores to expand chip performance. ComputerWorld [rm]

2003-01-26 The Battle in 64 bit Land, 2003 and Beyond: Lots of nice 64 bit chip data RealWorldTech [rm]

2002-10-09 IBM processor hints at Apple's 64-bit future: New 64 bit Power4 chip to be shown at Microprocessor Forum next week EET [rm]

2002-07-29 The Main Architectural Classes: Describes processor architectures Overview of Recent Supercomputers [rm]

2002-04-29 IBM expands use of server chip C/Net [rm]

2002-04-25 IBM plots new Unix server chips C/Net [rm]

2001-11-16 IBM - Power4, Power4+ [rm]

2001-10-15 IBM POWER4 Processor Review [rm]

2001-10-15 POWER4 System Microarchitecture: White paper IBM [rm]

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