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SemiAccurate claims to have heard that Apple will be transitioning from Intel processors to ARM processors in the not too distant future.



From MacRumors:
Apple has made a heavy investment in the ARM architecture which presently powers their iOS line of products. Apple even made the bold move to take ARM processor design in house with the acquisition P.A. Semi and Intrinsity.

Still, a transition of their Mac line over to a different processor architecture is hard to accept. While Apple did previously succeed in such a transition in the past with the PowerPC to Intel transition, it was not without an incredible amount of engineering to ease the process. Existing Mac applications would be unable to run on the new ARM processors without some sort of emulation layer. Mac applications would have to be recompiled to support the ARM processors.
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