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best way to stress text gtx 680 - Page 2

post #11 of 29
Quote:
Originally Posted by taafe View Post

so while unigine heaven 4.0 is running in the background do i increase clock offset say by '5mhz' at a time?? if so how long should i wait before i increase again?? and finally if it does crash and screen goes black do i need to restart the comp? i heard somewhere that you have too.
thanks dude
I usually increase in increments of 10, wait about 5 minutes then increase again. Once you get a crash go back to the previous stable overclock and test it for 30 mins, if that is stable then game for a while. You don't have to restart your computer, the display driver will restart itself automatically. If you get a black screen and it doesn't recover then you will have to restart.
Quote:
Originally Posted by taafe View Post

what about the new 'The Valley' benchmark is that any good?
I haven't had a chance to play around with it much but so far Heaven seems to be better for finding instabilities.
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post #12 of 29
Thread Starter 
Quote:
Originally Posted by AndyM95 View Post

I usually increase in increments of 10, wait about 5 minutes then increase again. Once you get a crash go back to the previous stable overclock and test it for 30 mins, if that is stable then game for a while. You don't have to restart your computer, the display driver will restart itself automatically. If you get a black screen and it doesn't recover then you will have to restart.
I haven't had a chance to play around with it much but so far Heaven seems to be better for finding instabilities.

thanks thats helped alot i'll try and mess about with it and tell you my end stable clock result! thumb.gif
post #13 of 29
Thread Starter 
just about to start oc my 680 using precision x and unigine heaven 4.0 at max setting. so do i max out power target to 132%?? what about mem clock offset? do i leave this for now or do i increase that by 10 too?
thanks
post #14 of 29
Quote:
Originally Posted by taafe View Post

just about to start oc my 680 using precision x and unigine heaven 4.0 at max setting. so do i max out power target to 132%?? what about mem clock offset? do i leave this for now or do i increase that by 10 too?
thanks
Max out your power target. Leave your memory clock until you find a stable core clock. Once you have a stable core clock start with putting your memory at +250 and increasing in increments of +25.
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post #15 of 29
Go ahead and max out the power limit. As for memory offset, you'll have to play with that and check for stability, same as the core. You should be safe enough with +200 or +250, but watch for artifacting when running the tests.
post #16 of 29
Thread Starter 
Quote:
Originally Posted by AndyM95 View Post

Max out your power target. Leave your memory clock until you find a stable core clock. Once you have a stable core clock start with putting your memory at +250 and increasing in increments of +25.

ok thanks ill find my stable oc first then. cheers
post #17 of 29
Thread Starter 
Quote:
Originally Posted by Forceman View Post

Go ahead and max out the power limit. As for memory offset, you'll have to play with that and check for stability, same as the core. You should be safe enough with +200 or +250, but watch for artifacting when running the tests.

artifacting? are they them little white dots? and i take it that ive increase to much when seeing them then?
post #18 of 29
Dots or weird textures (flashes, blank areas, anything strange). If you start seeing that kind of stuff then you've gone too far with the memory.
post #19 of 29
Thread Starter 
Quote:
Originally Posted by Forceman View Post

Dots or weird textures (flashes, blank areas, anything strange). If you start seeing that kind of stuff then you've gone too far with the memory.
ok cool thanks
post #20 of 29
Thread Starter 
only managed to get to +40mhz then it crashes mad.gif does this mean i have a crappy card? ive installed lastest drivers. my gpu temp didnt even pass 60C thought ild be able to push it much further then that
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