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Overclocking the nVidia 660 TI

post #1 of 7
Thread Starter 
Based on my EVGA PRcision log file, what should I set my Power Target, GPU Clock Offset and Mem Clock Offset to?
http://www.mediafire.com/?izu2ysltlg85123
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post #2 of 7
Set your power target as high as it will go. Then increase the GPU memory as high as it will go without artifacts (or crashing). Then increase the core as high as it will go without artifacts or crashing.

If you want to know if it's stable or not, get Unigine Heaven 4.0 benchmark. Run that for about 20 minutes (or more) to see if the current settings are stable. If the card is going to crash, it will usually happen within the first couple of minutes.

Make sure you max out the video memory clock first, as that will yield more results that overclocking the core.
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post #3 of 7
Thread Starter 
After many hours of testing, I had no crashes with:
Power target: 123
GPU click: 20
Mem clock: 635
This sound about right?
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Mad Pistol View Post

Set your power target as high as it will go. Then increase the GPU memory as high as it will go without artifacts (or crashing). Then increase the core as high as it will go without artifacts or crashing.

If you want to know if it's stable or not, get Unigine Heaven 4.0 benchmark. Run that for about 20 minutes (or more) to see if the current settings are stable. If the card is going to crash, it will usually happen within the first couple of minutes.

Make sure you max out the video memory clock first, as that will yield more results that overclocking the core.
So no way to do this in the bios or something? Has to be software?
I only ask because I triple-boot.
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post #5 of 7
You can change the power limit and the core clock in the BIOS, but I don't think there is any way to change the memory clock there. At least not with the tools that are widely available.

http://www.overclock.net/t/1289489/gtx-600-series-unlocked-voltage-bios-downloads-and-tools/
post #6 of 7
post #7 of 7
My old 660ti got +1000 on memory and and +50-60 on core.
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