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How Do You Test Stability For A GPU?

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XacTactX

Supreme [H]ardness
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Dec 13, 2010
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I have a dinky little 7900GS that I can confirm goes from stock 7900GS speeds of 450/660 to 550/740. I've been using FurMark aka MSI Kombuster to stress the card, then adjusting clocks during the stress test to gauge the limits. I've never been big on overclocking, so I never took the time to create a "stability gauntlet" of sorts. I'd like this gauntlet to test for stability in a gaming environment, using synthetic tools so that I don't have to stress the card for 5 hours.

My question: what application(s) do you use to test a GPU for stability in a gaming environment? For how long and in what order do you run this (these) program(s)?
 
MSI Kombuster. Overclock the gpu core first to see where it locks up and then back down. Then I load up BC2 to see if it'll lock up. If it's unstable. it'll lock up anywhere from 1 min to an hour or so. Stable is me playing it continously for a few hours. Then I do the same with the memory. Then do it all over again with both core and memory. I've tested stability with my cpu overclock this way. Don't know why but BC2 stresses my computer better than most other application. Plus side is that I can game on it while I'm stress testing it. Downside is it'll lock up when I have a good run and pisses me off.
 
I use OCCT GPU test. Not sure if there are any programs that can really do what you're looking for, very few programs come with an artifacting detector.
 
The only way to really test in a gaming environment is by playing games. As I'm adding mhz I'll use Kombustor / FurMark to test temps and stability, but I've had cards that run stable in FurMark that will still lock up after a couple of hours of L4D2.
 
Crysis benchmark is good too. It will lock up if there are ANY stability issues. I've run OCCT, Kombuster, EVGA OC Scanner, 3Dmark, and they all are fine, run Crysis benchmark for 10 loops and it will lock up if your card is not 100% stable. Its kind of frustrating to be honest :)
 
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