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Westmere (microarchitecture)

CPU microarchitecture by Intel From Wikipedia, the free encyclopedia

Westmere (microarchitecture)
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Westmere (formerly Nehalem-C) is the code name given to the 32 nm die shrink of Nehalem. While sharing the same CPU sockets, Westmere included Intel HD Graphics, while Nehalem did not.

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Connection of the GPU inside the Westmere microarchitecture

The first Westmere-based processors were launched on January 7, 2010, by Intel Corporation.

The Westmere architecture has been available under the Intel brands of Core i3, Core i5, Core i7, Pentium, Celeron and Xeon, and includes directX 10.1, and openGL 2.1.

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Technology

Westmere's feature improvements from Nehalem, as reported:

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CPU variants

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Westmere CPUs

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Intel Xeon E7-2850 die shot (Westmere-EX)
  • TDP includes the integrated GPU, if present.
  • Clarkdale processors feature 16 PCIe 2.0 lanes, which can be used in 1x16 or 2x8 configuration.
  • Clarkdale and Arrandale contain the 32 nm dual core processor Hillel and the 45 nm integrated graphics device Ironlake, and support switchable graphics.[7][8]
  • Only certain higher-end CPUs support AES-NI and 1GB Huge Pages.

Server / Desktop processors

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Mobile processors

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Roadmap

The successor to Nehalem and Westmere is Sandy Bridge.

See also

References

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