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~~The GTX 670 Overclocking Master-Guide~~ - Page 144

post #1431 of 3357
I have come across a strange issue. I found a max overclock on my Gigabyte GTX 670 to be +105 core and +600 memory. I can run Heaven and 3dmark11 all day long and temps never break the low 50's. It is 100% stable except for Crysis.

Every once and awhile Crysis would crash to the desktop. I left Precision X up while playing to hopefully see why. Well at +105 core I am usally running at 1202mhz while under load. That is stable for everything I have tested. Well the last time Crysis crashed I noticed that my max boost jumped to 1215mhz??? I know that if I run it that high it will crash. So for some reason Crysis is causing it to run at a higher frequency for a split second which causes the crash.

I then backed my max overclock to +104 core. Now I am running at a max clock of 1189 of course.

Well guess what? Crysis crashed again. This time I noticed the max clock had jumped to 1202 mhz when it crashed.

So something in Crysis is causing my card to run faster randomly for a split second and causing crashes. I assume this is driver related but I find that odd for such an old game. I am currently running 306.97 drivers. Every other game is stable that I have played and so are all benchmarks. I know temps aren't the problem but something is causing this random spike in core clock.
post #1432 of 3357
Quote:
Originally Posted by pc-illiterate View Post

have you tried maxing both power limit and voltage ? your ss shows you havent...

if you have an h80 modded to it, you need to figure out why your temps are so high. 60* is hot for an h80 on it. im on air and dont hit 62*

I get the same results no matter what the voltage and power target are at. And I'm not sure where you got 60°. The screenshot shows 50 although sometimes (rarely) I may see up to 55. Also I run my system with the fans as low as I can for the quiet factor. If I max my fans I usually don't break 45.
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post #1433 of 3357
double check your pic. max temp 60* i dont care what it shows in the screenshot at its present time. that isnt the max. the max it reached was 60* as afterburner shows.
that clock makes you wish you had bought a different brand and saved some cash doesnt it ? seriously though, the evga ftw cards are supposed to binned to be great clockers. either bs or youre doing something wrong somewhere. i have no idea which it is
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post #1434 of 3357
Quote:
Originally Posted by tcung82 View Post

what was the max temperature your gpu hit with those OC settings running ur benchmarks?

Like u saw in my graphs temp max 50*C
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post #1435 of 3357
Quote:
Originally Posted by pc-illiterate View Post

double check your pic. max temp 60* i dont care what it shows in the screenshot at its present time. that isnt the max. the max it reached was 60* as afterburner shows.
that clock makes you wish you had bought a different brand and saved some cash doesnt it ? seriously though, the evga ftw cards are supposed to binned to be great clockers. either bs or youre doing something wrong somewhere. i have no idea which it is

I have no idea where you are getting 60. In the screen shot I have the cursor over the peak of the temps right before the crash and it shows 50... So I don't understand where you are getting 60 degrees from at all.

EDIT: haha Ok I see where you got the 60. I'm a moron tongue.gif That temp was from when I was messing with it with the radiator fan off just to see what I would get lol. Like I said it usually stays in the low 50s at most.

I don't necessarily wish I would have gotten a different card. I like evga for their warranty and customer service. Also, my card isn't terrible,just not great. I still get KB clocks of 1228 which is descent. It performs on par with my buddy's 680 SC so that's not too bad.
Edited by estabya - 1/20/13 at 7:23am
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post #1436 of 3357
I've just got this card and followed this guide, superbly well written! smile.gif After spedning about 5 hours (3 hours, lol?) to get maximum stable core and mem clock i went to the last step of the guide, adjusting fan levels. Here's where i encountered problems... running Furmark it produced a lot of heat and i barerly got the card at 69 degrees with the fan running at 100%.

Temperature got slighlty to high which meant it declocked itself to 1280 instead of 1293. One other thing too which i couldnt really figure out - when running Furmark, having the card at 1.175 mv made it insanely unstable and it jumped like a jojo up and down in mhz. DECREASING the voltage back to stock actually go it stable, the less i had, the more stable the card was at the higher clocks.

Using the settings to decrease the clock still showed that the card was running at 1.175 though, bouth in precision-x and gpu-z. It's just Furmark that seems to kill my card with heat, I got the settings to run stable without any artifacts in both uninge and 3d mark 11.

Card runs at about 34 degrees idle. Now, most games wont stress my card so much that it will run so warm but at least to run at 60% fan speed etc. 100% fan speed is loud, lol. My case should be fine. My CPU stays at 28-29 idle. What might be one cause of the het problems is that it's very close to the wall and unluckely my PSU is quite warm and runs as high as 40 degrees idle.

What do you recommend me to do?
    
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post #1437 of 3357
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post #1438 of 3357
Does anyone have any idea why Crysis is causing my Kepler boost clock to spike higher than any other game or benchmark? Please read my post above for more information.
post #1439 of 3357
I had a similar issue in Crysis 2, CTD outta the blue temps good, but my clocks are not very high so I think its the game, although at stock clocks I dont remember CTD. System is loafing and it closes itself out...easy....wth..So I back down the clocks on core about 20 and it quits.

I havent reinstalled crysis (1), back yet either though. 310.90 drivers.
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post #1440 of 3357
Quote:
Originally Posted by pc-illiterate View Post

i get 1241 max and 3456 mem. we still have the coolest quietest cards even if they arent the fastest. imagine how i feel, i can hit 1280 core on my asus. i cant even match that in sli. i have to drop my fast card down and run it in the second pcie slot cause it gets too warm...

I get those exact same numbers. Bummer indeed.

So then would it be more effective to find a card that can be overclocked higher, and run it in the primary PCIE slot while the Gigabyte runs as slave? (And of course getting the joy of SLI)
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