Ati radeon 4870 x2 and call of duty

[kwstakis]

i got 4870 x2 ati 2gb and i got problems with call of duty . while i play a misson for example sometimes when a grenade exlpodes or something huge happens the fps drops low . olso fps drop if i turn the camera very fast. i am playing world of warcraft olso on ultra graphics and my fps is normal . is there any option on drivers that if i change may solve the prob to call of duty .


core to quad 2,4
8 gb ram
64 bit windows vista
4870 x2 2 gb gpu .

 

[esrever]

might just be your cpu, try if you can to OC your cpu or turn down the physics.

 

[kwstakis]

thanku very much for ur answer . i tried to oc the cpu to 2,98 ghz but even though nothing changed i still have the lag ingame. now can u please explain what do u me turn down the physics ? is this an option in game or is a option in ati driver ?