Hi Kartoffel, i've similar system, an i7 4770; Geforce GTX 760, 16GB RAM, Win8P, but i got ~0,02% usage, take a look at the screenshot, maybe your MB bios was not optimized yet?
What you meant with 64-80% of one core or 2.24-2.8ghz?
Last edited by rojart; 10/12/1320:07. Reason: wrong test results
Regards, Robert
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