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Even OCCT gpu test with error check is not good enough for testing gpu overclock !

post #1 of 9
Thread Starter 
I have my card overclocked to what I thought was 100% stable.
I run whole hour of occt gpu test on it,with error check and it didnt find single error.
I also played numerous games on it without any problem.
So I thought,as anybody would,I have 100% stable overclock. Right ? Wrong!
I have been playing might and magic heroes VI for couple of days now and it would crash occasionaly to desktop. So I thought ok its game bug cant be my overclock. But I noticed every time it crashed nvidia driver would reset the card to factory clocks. So my suspicion grew,and I tried adding the voltage via msi afterburner and voila,not a single crash after that.
I played with game some more and tested different clock and voltages,and I am 100% sure my card was not stable.
Is it posible this game is more demanding on card the occt or furmark,or crysis or any other game out there ?
Not to mention temps were atleast 10 degress lower while playing it then on occt.
I also rerun occt to make sure card is not degreded or something-its not still occt stable at unstable clocks.
Whats going on here ?
Edited by digiadventures - 10/23/11 at 6:39am
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post #2 of 9
have you tried stock?
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by rdr09 View Post
have you tried stock?
Of course. First I tried adding voltage,and it didnt crash after that.
I tried stock clocks with stock voltage,also stable
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post #4 of 9
Games are the only real way to test GPU OCs. And even then it won't necessarily crash, but artifact etc.
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by 2thAche View Post
Games are the only real way to test GPU OCs. And even then it won't necessarily crash, but artifact etc.
Well this one crashes Strange thing is that I have been playing a lot of games and didnt have a single problem,artifact or crash,until this one
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post #6 of 9
OCCT is the worst GPU tester ever, very unreliable in my experience (even tried the latest versions). Even if it is the most GPU intensive burning tool out there (comes close to furmark), it does not mean it is a reliable stability tester. Use Unigine 2.5 (30 mins), 3DMark11 and 3DMark06.
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post #7 of 9
Thread Starter 
Quote:
Originally Posted by tjbridge View Post
OCCT is the worst GPU tester ever, very unreliable in my experience (even tried the latest versions). Even if it is the most GPU intensive burning tool out there (comes close to furmark), it does not mean it is a reliable stability tester. Use Unigine 2.5 (30 mins), 3DMark11 and 3DMark06.
I ran all those and card passed at clock it fails in heroes VI.
I guess heroes VI is best game to test gpu overclock,now I dont know is this just for 460 gtx,or just for nvidia,or for all graphic cards
I guess somebody alse should test this...
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post #8 of 9
after running those 3, games will still be the final test. What drivers are you using?
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post #9 of 9
Thread Starter 
I am currently using latest beta 285.38 but same thing happened with official 280.26
I am certanly adding this game to my overclock stability app list !
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