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The Core i7 2600K powered through our Excel 2010 test nearly twice as fast as the Core i5 750, but the Z68 and P67 chipsets were only separated by a mere 0.05-second gap.
That trend continued in Photoshop CS5: the Core i7 2600K blasted the i5 750 and Phenom II X6 1100T, but the Z68 and P67 delivered nearly indistinguishable results.
It took the Core i7 2600K just 96 seconds to compress a 720p HD audio/video file with WinRAR on both platforms.