Why would you want to do this? speeeeed of course, up to 50% faster in some cases, but you can also (in theory) get better battery life and better performance if you underclock your device when you don't need all the speed and overclock when you do.

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Much like ultrabooks, Centrino processors promised better battery life and overall improved performance, as well as more integrated wireless connectivity.

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And he notes that the new designs to be displayed at the show offer substantial improvements over first-generation ultrabooks, including better battery life and improved chip performance.

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Neither Samsung nor Universal will confirm this but claims for a better battery life and the improved screen performance both point that way.

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Before the first month was over, BlackBerry issued a significant update promising to improve power management for better battery life, low-light camera performance and third-party app performance.

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Better still, battery life didn't seem to take a hit even with the extra performance, though high-end, high-res gaming was still a lesson in futility when working without a discrete graphics card.

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