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Can my 470 really be degraded that much? - Page 2

post #11 of 14
Quote:
Originally Posted by EmoPopsicle View Post

Given that stock clocks were ~600mhz and you overclocked it to 850-900, I would assume the card would degrade quickly.

Purely increasing the frequency does not kill the card, its mainly the voltage that does the damage. A lot of people have been running 1.15v and even up to 1.175v for years without many problems given that their temperature are under control. The VRM's on the GTX 4xx series are strong and can handle that kind of amp/voltage without issues, the question is has his card actually degraded to the point its unstable on stock? Further testing on different machines is required for a solid conclusion, everything else without evidence is only a hypothesis
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post #12 of 14
those fps's readings in LoL sound a bit wierd.
My gtx 460 gets around 120-170fps in 5v5 matches
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post #13 of 14
I'll just throw this out ... my cards with like the 270 drivers will do 850 at 1.1V, but on newer drivers will only do about 835. However, the performance is actually BETTER at the lower clocks w/the newer drivers. So ... it may just be a driver change that has caused this effect. Try it at lower clocks (like 800) with the same voltage, see if that solves the issue. If it does, try to re-assess your new 'max clocks' by working upwards from 800.

I kinda doubt your card is stuffed. Also furmark/kombustor is almost useless for checking stability, as it will lead you to over-estimate what clocks are 'stable'. It's only legit use is to find out what your max temps will be at a given volt/clock combination.

I would try loops of Vantage, Crysis, and Heaven to check your stability. If you can get through 3 loops of each w/o crashing, you're almost certainly 'stable'.
    
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post #14 of 14
If you run a synthetic like 3Dmark11 and your graphics score is over 5500 or 6000, you should be fine.
To me it sounds like the specific game is giving you trouble or the clock/voltage ratio is no longer stable. If 3dmark crashes, back off the clock speed.

Processing degradation has been shown and does exist, but it's only by a very few fractions of a percentage at the most (not 50%+) before they usually croak. Most of the time chips need more voltage over time if they've been run at high voltage, like putting supreme gas in your car - it becomes a hog biggrin.gif
Edited by pengs - 1/29/12 at 11:33am
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