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best way to stress text gtx 680

post #1 of 29
Thread Starter 
Im wondering if people use the precision x test test or do they use some other benchmark software? When oc your card doand the screen goes black do you have to restart your comp?one last thing what clock offsets are you guys getting? Mine kinda crashes at +35mhz mad.gif
post #2 of 29
What is the actual speed that +35 is crashing at? That seems kind of low, but you could have a card that is flirting with 1200Mhz at that offset.
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post #3 of 29
Thread Starter 
I'll check tonight but pretty sure its about 1180mhz is that good?
post #4 of 29
1180 is a little on the low side to be crashing, but it is a good speed. Are you overclocking your RAM at all? If so, try and dial it back and see if it allows you a higher core overclock.
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post #5 of 29
I use Unigine Heaven 4.0, just loop it in the background at max settings while overclocking. If it doesn't crash after about 30 mins then you can assume it's stable. Once you have your max stable overclock just game for a while, I use Battlefield 3, Far Cry 3 and Crysis 3.
That core overclock seems very low, I have my GTX 680 at 1.3GHz on stock voltage without modding my BIOS.
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post #6 of 29
Personally I have found that best way to test if your OC is stable is 7 years old software 3dMark06 smile.gif

Just loop the test called Canyon Flight disable everything alse. Not only does it check for core stability, it rapes video ram as well smile.gif

Just be sure to change its low default resolution and use 8x AA. Not that it wont fail if you OC is unstable even at its default settings, but it fails even faster if you up the AA and resolution.

There were so many times it would fail when Heaven run stable, so atleast I would say its better OC test then Heaven.
Edited by digiadventures - 2/28/13 at 9:41am
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post #7 of 29
When I first OC'd my 670 FTW I used Unigine Heaven 3.0 to stress my GPU and settle at a stable OC. However, even though my OC was stable with Heaven 3.0 I would get random game / driver crashes every now and then while gaming. Unigine Heaven 4.0 seems to be more sensitive to an unstable OC though. It crashes 90% of the times I try to run it using what I once thought was my stable OC. Helped me determine a truly stable OC for my GPU.

So yeah, as far as core/shader clocks go, I would suggest using Heaven 4.0 for stressing. If it doesn't crash then you're most likely stable.

For VRAM overclocking I believe 3DMark is the best tool to check. It's way more likely to throw artifacts on your face than Heaven IMO.
post #8 of 29
From my experience with Kepler, I play BF3 to test memory and FC3 to test Core Clock.
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post #9 of 29
Thread Starter 
Quote:
Originally Posted by AndyM95 View Post

I use Unigine Heaven 4.0, just loop it in the background at max settings while overclocking. If it doesn't crash after about 30 mins then you can assume it's stable. Once you have your max stable overclock just game for a while, I use Battlefield 3, Far Cry 3 and Crysis 3.
That core overclock seems very low, I have my GTX 680 at 1.3GHz on stock voltage without modding my BIOS.

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
post #10 of 29
Thread Starter 
what about the new 'The Valley' benchmark is that any good?
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