well i currently have the problem of low gpu usage on every single game i get about 50 to 70 % usage but rarely goes above 50 i tried reinstalling win 7 and older nvidia drivers but no joy i tried my old card (4770) and usage is 99 on everygame by the way i have no cpu bottleneck my cpu doesn't reach 100 when playing it stays at about 70-80% thanks for anyone thats willing to help .
specs: phenon 9950 be gtx 560 ti twin frozr ii biostar tf8200 4gb ddr2 mem res im using is 1600X900
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How many frames per second are you getting at what games and what settings?
70-80% usage on a quad core is imho clear sign of cpu bottlenecking. There can't be many games that can fully utilize four threads, personally I don't know any...
Have you tried overclocking the cpu? Though first gen phenoms don't oc much...