12-core CPUs From AMD on Their Way
Written on April 19, 2008 – 5:56 pm | by admin
Shanghai, the 45nm core from AMD, is likely to debut late this year. It will be similar in many aspects to the currently-availabe B3 stepping of the Socket 1207 Opteron (Barcelona) shipping today. Unlike Barcelona however, which has its HyperTransport 3.0 clock generator fused off, Shangai should utilize HyperTransport 3.0 for inter-CPU communication. Also, AMD has a new “native six-core” Shanghai derivative in store, currently codenamed Istanbul. This processor is clearly targeted at Intel’s recently announced six-core, 45nm Dunnington processor. AMD plans to utilize 2 Istanbul cores to create a 12-core CPU, where both cores will communicate with each other via HyperTransport 3.0. A quad-channel memory controller may also be possible. All new Shanghai CPUs should be backwards compatible with existing Socket 1207 motherboards.
Shanghai is currently taped out and running Windows at AMD.
Tags: 12-core, amd, CPU
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