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Need help OC'ing my GTX 660 Ti

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April 13, 2014 2:11:46 PM

Hey there i've been working at overclocking my GTX 660 Ti. Exact card; ( http://www.newegg.com/Product/Product.aspx?Item=N82E168... )

I've been using MSI Afterburner. My driver is 337.50.

I've increase the CPU clock by 30 Mhz, and the memory by 75 Mhz and I can even get the clock to +115~, with the memory +225~ without a problem. Though when I play titanfall i've had the driver crash a couple times, and the game has stopped responding while playing. I've increased the core voltage up to +40, and the power limit to +105 even.

I'm newer to overclocking i've done it before but have always ended up running stock. Is there anyone with this card who could help me out? Or someone who's experienced enough at OC'ing.

Also would it be better to use EVGA Precision X?

More about : ing gtx 660

a b K Overclocking
April 13, 2014 5:50:32 PM

Rule of thumb: Just because an overclock is stable in one game, that does not make it stable for all games. There's a reason that Afterburner allows you to save multiple profiles. Perfect example is that my overclock is stable in l4d2, but bioshock infinite will crash after a loading screen with horrendous artifacts.
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April 13, 2014 7:45:27 PM

Ok thank you...so what's a good way to fix/prevent? that. Or is there a happy medium or do I have to OC and open all my games, stabilize the OC, then save the profile???

Would EVGA precision work better, and why does my memory OC so easy but my core clock hardly wants to OC?
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a b K Overclocking
April 13, 2014 9:13:11 PM

Tbrown37 said:
Ok thank you...so what's a good way to fix/prevent? that. Or is there a happy medium or do I have to OC and open all my games, stabilize the OC, then save the profile???

Would EVGA precision work better, and why does my memory OC so easy but my core clock hardly wants to OC?


In order:
1. Afterburner has 5 profile saves. Find the max overclock your card can handle. Use the Heaven benchmark. That's a good starting point. Save the profile Then run all your games once each. For the ones that can't handle it, reduce the clocks slightly until they can. Then save that profile. Then just keep repeating the process until all your games work. Most likely, it's just a few select games that can't handle it. You'll probably end up with 2 or 3 profiles.
2. Afterburner and Precision do the exact same thing. All they're doing is telling the card what speed to run at. The only difference is the brand.
3. Memory always overclocks better than the cores. Honestly, you shouldn't need to increase the voltage on that card so much. I had a 660ti a long time ago and I was able to get around those same clocks at stock voltage. Every card is different, but overvolting a card shortens the lifespan more than overclocking alone. Not by much, 7 years to 5 years but still.
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