The World’s Fastest CPU is IBM Z196

The World’s Fastest CPU is IBM Z196

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My current desktop rig is powered by an Intel E2180 microprocessor with a clock speed of 2.0 GHz.
It has two 2G DDR2 RAMs installed which provide a better performance that really suits my needs. You might probably own one of the high end microprocessors commercially available. But the one revealed during the Hot Chips 2010 conference would really amaze you. Perhaps you have asked yourself what is the world’s fastest CPU/Microprocessor to date?

IBM Z196 Fastest CPU

Well, it’s the IBM Z196 – a 5.2 GHz quad-core CISC-based z/Architecture microprocessor designed to power IBM’s Z-series Enterprise System Mainframe computers. According to PC Mag,

IBM defines the z196 as one of the few remaining CISC chips, which allows for bulky, large programs that can require much more memory to execute in than RISC chips, including the PowerPC and ARM embedded processors, among others.

The z196 contains 1.4 billion transistors on 512 sq. mm chip fabricated on 45-nm PD SOI technology. It contains a 64 Kbyte level-1 instruction cache, a 128-Kbyte L1 data cache, a 1.5-Mbyte private L2 cache per core, plus a pair of co-processors used for cryptographic operations.

A 4-node system uses 19.5MB of SRAM for L1 private cache, 144MB for L2 private cache, 576MB of eDRAM for L3 cache, and 768MB of eDRAM for a level-4 cache.

This fastest microprocessor ever revealed will be available sometime in September. Its cost is estimated to be in hundreds of thousands or over a million. However, this CPU isn’t designed for consumers – that means you can’t buy this commercially.

How about you? What is the fastest CPU you’ve ever had?

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