Intel Core i7-875k and i5-655k processor review

We measured the power draw of our systems at the wall, isolating external devices such as the monitor from the figures.

The 980x sucks in considerable juice taking around 235 watts under load, this however pales in comparison with the i7-875k when we have it overclocked to 4.8ghz – recorded figures are a whopping 275 watts at the socket. When running at default speeds however it requires a more modest 198 watts.

The i5-655k is a much less demanding processor requiring only 138 watts at reference speeds under load and rising to around 155 watts under overclocked conditions.

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