MacBook Pros Make It Into the 4-Core Club

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Apple on Tuesday unveiled an update to its MacBook Pro line. Some of the new laptops -- the 15- and 17-inch MacBook Pros -- use Intel's Core i5 and i7 processors. These two also have two graphics processors, the built-in Intel HD and the Nvidia GeForce GT 330M, and can switch between them as needed. The new MacBook Pros also boast extra-long battery life.