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GTX 780 classy overclock.. whats holding me back?!

post #1 of 9
Thread Starter 
Ive got a quick question, Ive been trying different things and seeing how hard i can push my 780 classy, i get up to like 1350MHz before i start to see some artifacts in metro last light benchmark but if i try to play a game like battle field 3 it freezes on me a few mins in. and i pushed it to 1410 once but it only got a few frames of the benchmark in before it crashed, my temps haven't gone over 80° though im not sure whats holding the oc back... my stable clock im running everyday is 1241 MHz i thought the temperature would be the biggest factor but i guess not. if its not the temps holding my overclock back then whats the point of water cooling?



here are my specs



i7-4770k

corsair dominator platinum 16GB 1866MHz

H100 cooler

MSI Z87 Mpower

GTX 780 Classified

pc Power & cooling silencer mkIII 1200 W
post #2 of 9
What volts are you pushing? Probably need more powa.
 
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post #3 of 9
Thread Starter 
+.038 Volts which is as high as it will go :/
post #4 of 9
Most 780s dont get much higher than 1200 core. Anything over 1300 is pretty good. What were you expecting?
 
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post #5 of 9
Thread Starter 
i don't know, i was expecting to have a temperature problem before i hit the cards limit, i mean why water cool if you get the same oc on air with good temps?
post #6 of 9
Quote:
Originally Posted by EFD307 View Post

i don't know, i was expecting to have a temperature problem before i hit the cards limit, i mean why water cool if you get the same oc on air with good temps?

Don't think this is always the case. Even with binned cores, there will still be some variation with max core overclocks. I believe there is a way to get more volts through the use of the EVbot or possibly, a custom bios.

I think you have a pretty good overclock and theres nothing to be disappointed with.
 
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post #7 of 9
Thread Starter 
yea im happy with it, i guess i just wanted an excuse to watercool my system lol
post #8 of 9
There are some custom bios out there that will give you a little bit more volts. Up to you if you want to do it though. I think the Classy has a double bios switch so there's less of a chance of bricking the whole thing...check out the LINK for more info. thumb.gif
 
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post #9 of 9
Quote:
Originally Posted by Inglewood78 View Post

Most 780s dont get much higher than 1200 core. Anything over 1300 is pretty good. What were you expecting?

I agree here, not sure what the OP expected. My 780 Classy only goes to 1241MHz at 1.187v, moving up to +.38v does nothing for me, it won't go to 1.2v using Precision X. I've been fortunate that my memory overclocks well at 7200MHz. Temps are most certainly an issue for my card though, mine will run around 80c with the stock fan profile at that speed and even a custom profile with the fan running at 80%, it runs 72c during Valley loops.
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