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How much should I be able to OC my GTX 780 and what program should I use?

post #1 of 5
Thread Starter 
I recently installed an Asus GTX 780 with the Asus GPU Tweak software that comes with it. The factory boost clock on this card is 940 and I'm currently using the GPU Tweak software to OC to 1140. Once or twice I've been playing BF3 and it glitches out, kicks me off and gives me some kind of message that I can't remember at the moment. It mentions Nvidia in the message and I think the card/driver basically crashes. I've tried OC'ing up to 1160 and 1180 or so and had this happen more quickly, but it seems pretty stable at 1140. I'm assuming this "crash" or issue is related to the overclocking and it's not just coincidence that it happens more at higher OC.

At 1140, I'm getting max temps around 79 and 80. It seems to stay around a pretty consistent 78 degrees C. If you can't already tell, I'm kind of a newb with GPU overclocking and I'm also not sure what is normal for this card, as far as what kind of overclocks I can expect and what temps, etc. Is 80 degrees max temp (while playing BF3) normal? And is 1140 a decent OC or should I be able to do better with this card and not have this occasional "crash while playing BF3?

I was under the impression that I should get more like 1200+ overclocks and temps more like 90 degrees were fine. Until I overclock my monitor, I don't think it's going to make a whole lot of difference anyway, because the card seems to never drop below 60 fps and stays more around the 80-90 range and far beyond that regularly. My monitor runs at 60hz currently, so as long as it maintains at least 60fps, I should be getting the max performance I can benefit from, right? But I still want to know if I'm in a decent spot with my OC and temps or if there's something potentially wrong and if I should be doing better.

Would a different program make a difference? I downloaded MSI Afterburner but haven't really messed with it because GPU Tweak seemed like the same basic thing, but more simplified. Is there some reason I might do better with Afterburner and would I need to completely uninstall GPU Tweak for Afterburner to be the program that actually takes over and determines the OC of the card? Finally, do I need to launch the program every time I boot the machine and apply the overclock, or will the card automatically use the OC I've given it (if you understand my meaning)?

By the way, I'm playing BF3 on Ultra settings with a 27" 1440p monitor. Also, my memory clock is at 6036 (28 offset). I honestly don't really know what that means so I just raised the mem clock a little bit since I've been told I can't really hurt anything.

Thanks you to anyone who takes the time to read this and respond.

TL;DR
What temps are safe with my card and what kind of OC numbers should I expect without stability issues in a game such as BF3? Is 1140 a "pretty good" overclock and is it normal that it would "crash" during the game with OC's closer to 1200? Would a different program make a difference?
post #2 of 5
you can download evga precision X for free at there website http://www.evga.com/precision/

1140oc is pretty good, if its running stable i would be happy with that. If you go higher the temps will also go higher probably into the mid-high 80s unless you are on water which it seems like you are not, then you risk long time exposure to heat and dmg, unless your willing to flirt with the hassle of your warranty if it burns out.
Edited by d33r - 10/4/13 at 7:58am
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by d33r View Post

you can download evga precision X for free at there website http://www.evga.com/precision/

1140oc is pretty good, if its running stable i would be happy with that. If you go higher the temps will also go higher probably into the mid-high 80s unless you are on water which it seems like you are not, then you risk long time exposure to heat and dmg, unless your willing to flirt with the hassle of your warranty if it burns out.

Thanks for the response. I didn't know much about Precision X, but I'll give that a try as I tend to like NVidia's interfaces and obviously it will be optimized, at least more than an MSI product (Afterburner).

I'm glad to hear 1140 or so is pretty good (would still love to hear other opinions, especially from users of the Asus GTX 780) and it definitely runs really well until it abruptly crashes, and it only does so at around 1160 and up (still not sure if it has crashed because of too high of OC or if it was just coincidence that it crashed a couple times during my highest OC attempts. I'll have to play with it some more now that I'm playing the BF4 Beta and using the latest Nvidia Beta drivers (which are MANDATORY for BF4 Beta, as without the Beta drivers my PC was running BF4 so poorly that it was like I didn't have a graphics cards at all).

So 78-ish degrees is okay/normal for this card at this overclock? I have heard that GTX 780's just blast a ton of heat out and that's normal, but I had no idea of any hard numbers that were normal/good/bad. I am running just the stock DirectCU II cooling system, but it's supposed to be one of the coolest running GTX 780's of all. My CPU is water-cooled, though, but I don't think that's what you were asking. I saw that Asus is coming out with a line of water cooled cards, though, and I'm hoping that they come out with an upgrade kit like EVGA has so that I can add water cooling to it down the road. But at this point since I'm getting 60-70 fps at a minimum and probably 90fps average on BF3 on Ultra settings, I doubt there will be any games out for quite a while that will make me NEED to get a much higher overclock and necessitate water cooling.
Edited by ADragg - 10/6/13 at 1:37am
post #4 of 5
Yes 78 degrees give or take is pretty normal with the 780s and Titans and nothing to worry about, I would start to worry if it was in the 90s-100s. Most people who are going for the 1200 OC's are on water so they can reach that speed without burning out the card. ..tongue.gif
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by d33r View Post

Yes 78 degrees give or take is pretty normal with the 780s and Titans and nothing to worry about, I would start to worry if it was in the 90s-100s. Most people who are going for the 1200 OC's are on water so they can reach that speed without burning out the card. ..tongue.gif

Awesome, thanks!

What's weird is I just got done playing BF4 at 1145 and while it said my max temp some time during that game was 78, the graph showed that I was maintaining a pretty constant 53 degrees C. I dialed back the memory clock some and I don't know if that makes a difference, but my temps seem to be very low playing BF4. I will have to see what kind of numbers I end up getting without crashing since things seem to be different for this game.
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