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Despite Intel being replaced in the MacBook by NVIDIA graphics, Intel maintains that it's not out of the Apple fold altogether. CNET News quotes an Intel spokesperson saying, "Intel continues to have a strong relationship with Apple. Graphics is a competitive market and we compete for all new business. Intel's technology is integrated throughout Apple's product line but we didn't win this particular design."

Intel may have been replaced by NVIDIA for graphics, but Intel still provides the processors for MacBook systems. Apple has picked the 45nm SSF Penryn processor for the MacBook Air to replace the 65nm SFF Merom used previously. The new processors will boost performance in part by adding cache memory. The 45nm Penryn CPUs have 3MB or 6MB of cache.