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Old June 20, 2009, 08:31 AM
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Join Date: Jul 2007
Location: Toronto, ON
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When efficiency testing is done, 220V always fairs better from everything I've seen. However it's not a significant amount where you'd save hundreds of dollars.

If you want to save power, don't overclock and leave all the power management stuff enabled so that it down-clocks when idle.
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