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HELP-->GTX580 getting same score as GTX480+random FPS drops

Last response: in Graphics & Displays
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September 2, 2011 5:47:52 AM

Just swapped my GTX480 for a GTX580. Installed NVidia's latest driver from their website....then ran Cinebench11.5's OpenGL test.
I got the same score I got with my GTX480...about 66 points.....huh? :( 

New driver no good?....hmmm lets see.

So then I unistalled the new driver and and put back the 275.33 driver I was originally using (with the GTX480). I had done all my benches on the GTX480 with that driver.

Unfortunately I got the same score. :( 
PS. My GTX580 is highly over clocked too. :??:  :( 


Should this be happening?
I dont know enough about OpenGL Tests to know.
September 2, 2011 6:35:18 AM

Oh....and....when I play a fairly simple game (compared to more recent titles) COD4 with my GTX480 and now also with my GTX580 I get random huge drops in fps....

I go from a in game self limited 91fps to 26fps randomly in 10 second-ish bursts. :( 


Maybe adding my system specs could help:

i7 2600K@4.5GHz
Asus P8P67
120Gb OCZ MZX IOPS
Mirrored raptors for storage
Win7 64bit
16GB Corsair Vengeance mem
1000W Zalman
24" Dell 1920x1200
275.33 NVidia driver
Asus GTX 580 DirectCU II @920/4200
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September 2, 2011 6:51:52 AM

I'd say completely remove all nvidia drivers and softwares from your 480 install first, then install 580 with manufacturer cd, then use the update on nvidia site after.
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September 2, 2011 6:57:34 AM

I did that all ready.
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September 2, 2011 8:09:26 AM

This is just benchmark, what about ingame?
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September 2, 2011 8:10:20 PM

Thanks for the reply.

Read my second post....from a governed 91fps to randomly dropping to 26fps in COD4 (CALL OF DUTY MODERN WAREFARE)
This is kinda a recent development.
It started happening with my GTX480 so I got a GTX580 to replace it because I thought maybe the 480 was going to diE.
Unfortunately the fps drops with the gtx580 too.
26fps in COD4 is pathetic for a GTX480 and GTX580.
These cards should slaughter the game.
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September 2, 2011 9:58:26 PM

Any ideas?
Same bench scores and fps drops in game?
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September 3, 2011 12:45:51 AM

Bump
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September 3, 2011 5:57:13 AM

help
por favor
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!