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Dual-Core and Quad-Core Socket Compatibility

November 28, 2006

Current quad-core products from Intel--Core 2 Extreme quad-core and Xeon 5300 processors--should fit inside their dual-core counterpart systems.

Core 2 DuoCore Microarchitecture Quad-Core Processor

Core 2 Extreme was initially released as dual-core.

The Xeon 5300 series is the quad-core equivalent of the 5100 series.

Core 2 Extreme quad and Xeon 5300 processors are basically made up of two of their dual-core brethren: two Conroes (Core 2 Duos) or two Clovertowns (Xeon 5100s) joined together and fitting in a single CPU socket.

Pin layouts are the same for the corresponding dual-core and quad-core processors.

Unless the CPU is permanently attached to its socket, as is sometimes the case, upgrading to one of these quad-core systems, from the dual-core, at most should require a BIOS update thanks to "socket compatibility with existing Intel platforms".

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