New MacBook Pro Is Cooler Than Previous One. No, Really.

Arik Hesseldahl

Jason O'Grady over at The Apple Core has taken some serious measurements concerning something I had noticed as well. When I took my first MacBook Pro out for a run -- a 17-inch with an Intel Core Duo -- I noticed it was running somewhat hot, hotter in fact than my older PowerBook. But then once Apple swapped out the Core Duo for the higher-performance Core 2 Duo the outer temperatures seemed to be less. It was just a little difference I noticed, but which I didn't think much about.

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