MacRumors is reporting that it is highly probable Apple will use Core i7 mobile processors in MacBooks and MacBook Pros by Q4 2009. The new 32nm Arrandale Core i7s will still be dual core, but able to process 4 threads—saving more power thanks to the smaller fabrication process plus optimised processor features.
Apple’s MacBook line was recently updated in October 2008 with 45nm Penryn processors, so the next update being prior to the release of Arrandale Core i7 processors would make sense. The 32nm processor size means a die-shrink over the existing 45nm chips, too. It is almost certain that the next line of MacBooks will be based on these new processors.
Intel are expected to also switch their desktop processors to the new 32nm design during the 4th quarter of 2009. However, Apple has never used Intel’s desktop processors in their computers. Apple’s consumer desktops, the Mac Mini and the iMac, both use mobile processors, and the professional desktops use Intel’s server processors.
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