From the Lab: Penryn powers MacBook professional features

Macworld Lab has run its preliminary assessments of the latest MacBook pros, powered by the following-era of Core 2 Duo chips code-named Penryn. the brand new laptops scored substantive efficiency positive factors over the past-generation of MacBook pros. And the revamped portables are decidedly faster than the Core Duo-powered fashions from two years ago.

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