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Which cpu is more energy efficient?

Last response: in CPUs
March 2, 2013 11:21:49 PM

So i got a few leftoverparts after an upgrade,and the spare part will become a kids web browsing machine.
I want to save some electricity which is more energy efficient?
I3 540 with motherboard in the gateway SX2850
I3 2120 with biostar h61mgv
Thanks in advance.

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a c 147 à CPUs
a c 107 V Motherboard
March 3, 2013 12:45:58 AM

The 2120 is lower max power, lower idle power and more performance.
March 9, 2013 11:59:07 PM

Best answer selected by Giggitygoebbels.