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Strange 580 OC results.

post #1 of 4
Thread Starter 
So, I was overclocking my 580 and I got it to be stable (30 mins of Kombuster) @ stock volts, 850/1700MHz and 2100MHz. Didn't go above 48* (ambient was ~25-30) and it was perfectly fine. Then, when I go to play BF3 after a few mins of gameplay it locks up. This happens with even a small OC. About to test in other games now, but how could BF3 make it halt but not 30 mins of stress testing?

Also, I can't seem to enable manual voltage control in Afterburner.

Thanks,

-f.
post #2 of 4
Quote:
Originally Posted by fr0st. View Post

So, I was overclocking my 580 and I got it to be stable (30 mins of Kombuster) @ stock volts, 850/1700MHz and 2100MHz. Didn't go above 48* (ambient was ~25-30) and it was perfectly fine. Then, when I go to play BF3 after a few mins of gameplay it locks up. This happens with even a small OC. About to test in other games now, but how could BF3 make it halt but not 30 mins of stress testing?
Also, I can't seem to enable manual voltage control in Afterburner.
Thanks,
-f.

I had the same problem w/ my sli'd 570's. Simple answer is that it is NOT a stable overclock. My finding is the best stability test for GPU OC'ing is 3DMark11 on extreme setting. If it passes that w/o crashing, it is probably stable. Back to the BF3 thing though, I found that there was no increase in FPS performance w/ my GPU's OC'd compared to letting it run at the stock clocks. My 3DMark11 score was better w/ the OC, but it didn't translate into better performance in-game, at least on BF3, anyway. I leave my cards at stock when playing BF3 for that reason.
RE. Afterburner: I can't comment on that because I use EVGA Precision/E-LEET.
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Mr. Blue
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by croSSeduP View Post

I had the same problem w/ my sli'd 570's. Simple answer is that it is NOT a stable overclock. My finding is the best stability test for GPU OC'ing is 3DMark11 on extreme setting. If it passes that w/o crashing, it is probably stable. Back to the BF3 thing though, I found that there was no increase in FPS performance w/ my GPU's OC'd compared to letting it run at the stock clocks. My 3DMark11 score was better w/ the OC, but it didn't translate into better performance in-game, at least on BF3, anyway. I leave my cards at stock when playing BF3 for that reason.
RE. Afterburner: I can't comment on that because I use EVGA Precision/E-LEET.

Alrighty, that's what I thought it may be. Guess my card just isn't that great at overclocking. I did used to have it OC'd and it worked for BF3, I actually saw a decent bump in FPS when I did but it kept freezing so I couldn't be bothered and just set it back to stocks. Trying to sort out this RMA for my other 580 and I'll get a block on it, then with SLi I won't even need to OC tongue.gif

+REP.
post #4 of 4
Quote:
Originally Posted by fr0st. View Post

Alrighty, that's what I thought it may be. Guess my card just isn't that great at overclocking. I did used to have it OC'd and it worked for BF3, I actually saw a decent bump in FPS when I did but it kept freezing so I couldn't be bothered and just set it back to stocks. Trying to sort out this RMA for my other 580 and I'll get a block on it, then with SLi I won't even need to OC tongue.gif
+REP.

If you figure out - or if someone who uses Afterburner chimes in - how to increase your voltage you may find that your card OC's just fine. Just might need a voltage bump.
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