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Overclock MSI GTX460 768MB OC edition? help!!!

post #1 of 18
Thread Starter 
Hi i just get a MSI GTX460 CYCLONE 768MB OC edition, my question is, Can I Overclock more with the afterburner? and if i can how i do that without damage my card or anything else?
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post #2 of 18
Keep an eye on the temps, crank the fan up to ~60% in afterburner. start cranking up the clock speeds slowly until it crashes. Test with loops of the crysis bench, vantage etc. once it maxes out on stock voltage, give the voltage a bump. with the stock BIOS you should be able to set the voltage as high as 1.087. This is a safe voltage, and the temps should remain very cool. As long as the temps are below 90*C ( should be very easy to keep them in check) you are good to go. It takes time and patience, but its not that difficult. You should be able to hit 850-900 on the core with a small voltage bump.
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by mxthunder View Post
Keep an eye on the temps, crank the fan up to ~60% in afterburner. start cranking up the clock speeds slowly until it crashes. Test with loops of the crysis bench, vantage etc. once it maxes out on stock voltage, give the voltage a bump. with the stock BIOS you should be able to set the voltage as high as 1.087. This is a safe voltage, and the temps should remain very cool. As long as the temps are below 90*C ( should be very easy to keep them in check) you are good to go. It takes time and patience, but its not that difficult. You should be able to hit 850-900 on the core with a small voltage bump.
Hi

I hit 850 with out bump the voltage, and I run the heaven 2.1 benchmark, i will load some images from GPU-Z.

I don't touch the memory speed at all
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post #4 of 18
Your memory clock is equally important. If you want decent performance, push the memory to 2000 in afterburner. Max out the voltage and push that thing up to 925/1850/2000 I have no doubts that you could easily manage that. If you managed 850mhz on the core with stock voltages, you've got a hell of a card.
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post #5 of 18
the difference between 850 and 925 is HUGE! I think 99.9% of cards will reach 850 on stock volts but i think a very small percentage will reach 925
    
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post #6 of 18
Thread Starter 
Quote:
Originally Posted by Qosmio View Post
Your memory clock is equally important. If you want decent performance, push the memory to 2000 in afterburner. Max out the voltage and push that thing up to 925/1850/2000 I have no doubts that you could easily manage that. If you managed 850mhz on the core with stock voltages, you've got a hell of a card.
which could be a safe voltage?
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post #7 of 18
1.87 all day i am hittin 910/1820/2150 on the 460 tops 786mb in sli
i have a third on the way for physx 3d visions is sweet.
post #8 of 18
Thread Starter 
Quote:
Originally Posted by profit8652 View Post
1.87 all day i am hittin 910/1820/2150 on the 460 tops 786mb in sli
i have a third on the way for physx 3d visions is sweet.
whats happen if i pass the safe level of voltage, core or memory frecuency? I burn my card or only BSOD and then restart and try again?
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post #9 of 18
1.087 is as high as you can go on stock bios and will probably be fine as long as you keep your temps in check.

The 768 cards seem to benefit quite a lot from the memory overclocks.
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post #10 of 18
Thread Starter 
here are the pics from my OC and the heaven benchmark





I can't change the voltage even if i unlock the voltage control i don't know why.

well the benchmark is not amazing but in games the FPS are a lot better
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