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NVidia GTX 580 Slow - is it PCI-E 1.0?

post #1 of 17
Thread Starter 
Hi
I have recently purchased an Nvidia GTX 580 1.5GB and a Dell U2711 monitor so I could sample some decent high resolution gaming. My old card was an ATI 4870 1GB. I kept my old card in the system for a few days before changing to the GTX 580, and after the change I can see hardly any difference in games or 3DMark etc and I know this is no major benchmark, but my Windows Experience Index for 2D and 3D graphics both reduced by a full point! I am at a loss. I would have expected that the GTX 580 would obliterate the old ATI 4870. My only concern is that my motherboard, an ASUS P5KC, does sport only a PCI-E x16 1.0 slot and not a PCI-E 2.0, but people say that this should only reduce performance by around 2%. Is it my CPU that is holding it back? Again I would have thought that my Quad Core @ 3GHz would be more than enough to support the GTX 580. But after all this, I would definitely expect the GTX 580 to perform better; in some respects it is worse at the moment.

Any comments/suggestions would be appreciated thanks, Nick.

My current system:
NVidia GTX 580 1.5GB
Core2Quad Q6600 @ 3GHz
ASUS P5KC
OCZ 4GB DDR2 RAM @ 1066MHz
Samsung F3 1TB HD
Corsair HX620 PSU
Dell U2711 @ 2560x1440
Windows 7 64bit
post #2 of 17
The GTX 580 should obliterate your previous graphics card. I suspect a driver issue. Make sure you fully uninstall your previous drivers from your ATI 4870.
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post #3 of 17
Did you get the correct drivers?
Edit: Argh toni
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post #4 of 17
You won't be CPU limited at 1440p, and even if you were, it wouldn't result in your benches/WEI score going down. It's probably a remnant of your old ATI drivers causing a conflict. Have you tried driver cleaner?
post #5 of 17
Driver issue..

Make sure that you have cleaned your system from ATI drivers using Driver Sweeper in Safe mode and then install nVidia drivers..

Also do not force AA & AF filters trough nVidia Control Panell as that would hurt your graphic performance in games..

CHEERS..
     
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post #6 of 17
Quote:
Originally Posted by 5starGeneral Alphasnake View Post
Did you get the correct drivers?
Edit: Argh toni

I was typing slow too. Also, use Driver Sweeper, link,

http://www.guru3d.com/category/driversweeper/
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post #7 of 17
Thread Starter 
Mmmm. Yeah, it could be a driver problem. I'll try cleaning out the drivers and get back to you. Thanks everyone for your posts.

Nick.
post #8 of 17
You're going to have to be more specific in terms of what you're testing.

WEI means jack squat. And '3dMark' is not nearly specific enough. If you're talking 3dMark06, then that's why score didn't go up that much. Try comparing Vantage scores between the two cards. The 580 will DESTROY the 4870 on Vantage, esp. if you run High or Extreme presets.

Or run some of the Unigine benches like 'Heaven', or run the Crysis bench, or the Metro bench if you own the game, or Just Cause 2 bench, or ... basically something newer and harder to run. This reduces the probability that your CPU will limit you.

And PCI-Ex 1.0 is fine ... still plenty of bandwidth for a 580.
    
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post #9 of 17
Thread Starter 
Well, I cleaned out the old ATI drivers using Driversweeper, put the latest NVidia drivers back on and it all seem to be going well until I started up 3dmark and the PC immediately switched it itself off. It wouldn't restate after numerous attempts. I think it's more of a mobo cut-out thing due to lack of power rather than anything blowing. The system was o/c'd and it's got 4HDs, two DVDs and all the other stuff to power, so I think it's overwhelmed to be honest. Anyway, it was time for an upgrade and a cash striken family member could do with a free PC upgrade, so I've bought a new mobo and other bits and I'm going to do a re-build so all should be well. Thanks again for your advice and posts, Nick.
post #10 of 17
Quote:
Originally Posted by RIPson View Post
Well, I cleaned out the old ATI drivers using Driversweeper, put the latest NVidia drivers back on and it all seem to be going well until I started up 3dmark and the PC immediately switched it itself off. It wouldn't restate after numerous attempts. I think it's more of a mobo cut-out thing due to lack of power rather than anything blowing. The system was o/c'd and it's got 4HDs, two DVDs and all the other stuff to power, so I think it's overwhelmed to be honest.
That really sounds like the PSU isn't up to the task, but since it's a good 620W unit and should be able to power it, I'm not certain that's it. PSU's do degrade somewhat over time though so if it's old it could be starting to fail.

Were you using any 'adapters', or does that PSU have the proper 8-pin and 6-pin PCI-Ex cables for the GPU natively?
    
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
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Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
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