The Galaxy Note II is T-Mobile's first device with a quad-core processor, featuring Samsung's 1.6GHz quad-core Exynos processor.

ENGADGET: Samsung Galaxy Note II for T-Mobile made (more) official, comes with gamepad-tuned racing this fall

This can be attributed to Nvidia's 1.2GHz Tegra 3 quad-core processor yep, this is the first quad-core 7-inch tablet, too.

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The 15-inch MacBook Pro with Retina display now features a faster 2.4 GHz quad-core processor, and the top-of-the-line 15-inch notebook comes with a new 2.7 GHz quad-core processor and 16GB of memory.

ENGADGET: Apple 13-inch MacBook Pro with Retina display now $1,499, new processors for Retina family and cheaper MacBook Air