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GTX 580 OC Questions

post #1 of 3
Thread Starter 
I read in a thread the other day that when stress testing with OCCT that under 5 errors is acceptable. Is this true? Also, for what amount of time would this be acceptable? What's the time ratio to 5 errors and under?
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Red October
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post #2 of 3
Hey Bra,

Acceptable is settling for less than perfect. If it's got errors, you'll either need to back down clocks or bump up voltage. Don't pass 1.1v on air however. When you reach top clocks without errors and stable system is your GPU OC limit. All GPU's OC different limits and luck of the draw.

My default voltage is 1.0872v. I found out that default voltage can vary from GPU to GPU. I was always wondering why other people would get lower temps than me at stock core default voltage. I currently lowered mine to 1.0750v which brought down my temps by 1C and still run stable.

Here are some of my 580 SC clocks to help you.

The GTX 580 SC is 3% gain higher than a GTX 580 vanilla at stock speeds.

39-40C idle @ stock 797Mhz core on SC which is a 3% gain over vanilla stock.

40-41C idle @ 838Mhz core on SC which is 8% gain over vanilla stock. 838 Core/1061 Memory/1676 Shader

41-42C idle @ 855Mhz core on SC which is 10% gain over vanilla stock. 855/1086/1710

42-43C idle @ 875Mhz core on SC which is 13% gain over vanilla stock. 875/1111/1750

43-44C idle @ 890Mhz core on SC which is 15% gain over vanilla stock. 890/1135/1780

To go higher stable I have to bump my GPU to 1.1000 voltage.

44-46C idle @912Mhz core on SC which is 17% gain over vanilla stock.

Now when I OC I bump up across the board for Core / Memory / Shader to be exactly the same percentage gain on each GPU-Z validation.

I got clocked to on my final score 3D Mark 11 mid level performance score of 6902. On an i7 950 @ 3.8Ghz OC - GPU 1.1000 voltage @ 912Mhz core.
3D Mark 11 score of 6902.

Good luck with your over clocking, Mahalo.
     
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post #3 of 3
Thread Starter 
Right on for the help! I lol'd when I read your post. You either know someone from here, have relatives from here or have spent time here. If not then I'd have to say you watched Blue Crush or North Shore at some point or time.
Quote:
Originally Posted by Arizonian View Post
Hey Bra
That's so classic! Never thought anyone on OCN would telling me that. +rep for the help and rep'n the 50th state.
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Red October
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23' Samsung LED XL2370 1920x1080 Ducky 9008-G2 OCN Edition (MX Brown) / Ducky Sh... Corsair 750HX Cooler Master HAF 932 - Paint Modded 
MouseAudioAudioAudio
Razer Deathadder Sennheiser HD 595 X-Fi Titanium HD (Modded) Bravo Audio V1 rolled w/ Mastushita  
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