This week I upgraded my computer finally. I was running before: Intel mobo (dontremember the model) Pentium D 3.0ghz 2gigs of Ram 250gb HD 8800 gt WinXP
I upgrade to Evga x58 SLI LE mobo Intel i7 920 3gigs DDR3 500 gig HD Evga GTX 260 Win7
I installed CoD4 did my normal patching and ran the game with medium setting and only got 40fps. So I downloaded a FPS config called yitch3 and didnt help. Dropped the Resolution and everything and still didnt break 50fps. Before on my worse computer i got 80-125 fps constant. Any idea on what the problem could be or what could be the fix. Oh and i run CSS and Heroes of Newerth perfectly fine and smooth. :-/
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What power supply do you have?
If I'm not mistaken, your system consumes more power with your new components...
I have found that a underpowered GPu can sometimes underperform...just a thought
Try turning OFF "Ambient Occlusion" in nvidia CP, helped me.