In an attempt to gain an advantage in the gaming PC market, Advanced Micro Devices on Thursday launched what it called its "highest-performing CPUs" to date.

Two new quad-core Phenom II processors, aimed at high-end desktop PCs, were announced by AMD at the Consumer Electronics Show in Las Vegas. The chips succeed the Phenom processor the company launched in 2007, and come two days after AMD announced the new Athlon Neo processor for small laptops.

The quad-core Phenom II chips run at speeds up to 3GHz and include 8MB of cache. The chips are capable of even faster clock speeds under certain circumstances. For example, AMD overclocked Phenom II processors to run at up to 4GHz on air-cooled systems, and up to 5GHz on liquid-nitrogen cooling late last year.


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