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Old 2016-02-06, 02:16   #4
VictordeHolland
 
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"Victor de Hollander"
Aug 2011
the Netherlands

23·3·72 Posts
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You could get a 15$/£/€ kill-a-watt meter and measure the power from the wallsocket :).
My 2500K @4.0GHz (95W TDP) system running P95 is consuming 120W at the wall. Overclocking not being good for perf/Watt.
From that 120W, let's say 10% (12W) is wasted in the PSU as conversion losses, 10W for HDD and casefans and another 10W for the motherboard. That leaves about 90W for the CPU, close to the TDP of that CPU.
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