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680 Overclocking (Calling all owners!) - Page 45

post #441 of 1059
Quote:
Originally Posted by kcuestag View Post

Completely agree on this, 3DMark11 is not reliable at all to consider an overclock stable...

ROFL... that reminds me of when I sent a 280 GTX back to BFG for artifacting at stock clocks...

they sent it back a day later with a hand written note that said, "passed 3dmark for 5 hours, tests OK!"

a lot of yelling on the phone followed.. lol bfg.
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post #442 of 1059
Just received my 680 today and was able to easily attain +185mhz and +100 memory with +132% power. It seems to perform nearly identical to my OC'd 7970 in Battlefield 3 when both are OC'd. My 7970 pulls ahead by a bit when both are at 1300mhz, but that is to be expected, as clock for clock, the 7970 performs better.

Either way, the card runs super cool, is super stable in BF3 at those clocks, and I don't have anything bad to say about it. Just simply because of the size of the card and how cool it runs, I'm thinking about going Tri or Quad SLi with it, like I did with my 7970s, and compare that. The SLI scaling for the 680s has been suspect as of late, but we'll see if driver updates fix it.

Also, unigine is the only thing that makes my card crash at these clocks, which is the same thing that happens to others. I played BF3 for over an hour and didn't have a single problem, but unigine for 10 mins caused a crash. Doesn't make sense to be honest. I could care less if it crashes in Unigine, as long as the clocks hold up in BF3, and they do wink.gif

I'll be ordering another 680 as soon as newegg gets them back in stock. I'm not going to continue paying $565+ for my 680s as I did with this one, even though I like EVGA
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post #443 of 1059
I got my 2 680's to 153/400 (1277 actual core). I ran Heaven benchmark and looped Warhead bench 10x. I never crashed in anything so I can probably go higher but I am already hitting close to 80C in Heaven on the top card so I stopped. I doubt I can get more than 50/100 more anyway. I get 93 FPS in Heaven 2.5 with every setting maxed. I really want 100 but maybe when I get Ivy Bridge it won't be a problem.

I have the new record of 120% actual power draw. I assume mine are getting a little leakage when they get to 80C. I'm happy getting SLI to go this high though. The cards are sequentially numbered which is a first for me. Somehow before they were always a couple numbers off.

Oh yeah...100 watts less power draw than the 580 SLI I had. Nice.
Edited by JKDC - 3/28/12 at 4:44pm
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post #444 of 1059
Hey guys, just a quick question. I know this is obviously some type of glitch, but has this ever happened to anyone with Precision or Afterburner or anything?

222
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post #445 of 1059
Quote:
Originally Posted by dph314 View Post

Hey guys, just a quick question. I know this is obviously some type of glitch, but has this ever happened to anyone with Precision or Afterburner or anything?
222

Happens to me if I switch SLI modes with those tools running. Restart afterburner or precision to fix.
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post #446 of 1059
I'm not sure why. But I'm having terrible issues getting past 145 core and 440 Memory with 132% power. I can pass Heaven and I've done the EVGA stress testing for hours. Get zero artifacts but soon as I run Battlefield 3 it crashes within a few minutes of gameplay.
post #447 of 1059
Have you guys seen the specs on the EVGA SSC models? I want the bios from one of those cards. Is GTX680 supported by nvflash just yet?
Quote:
NVIDIA GTX 680
1536 CUDA Cores
1058 MHz GPU
1113MHz Boost Clock
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post #448 of 1059
Quote:
Originally Posted by BababooeyHTJ View Post

Have you guys seen the specs on the EVGA SSC models? I want the bios from one of those cards. Is GTX680 supported by nvflash just yet?
Quote:
NVIDIA GTX 680
1536 CUDA Cores
1058 MHz GPU
1113MHz Boost Clock

My Boost already goes up to 1124mhz on the one card and 1110 on the other. This doesn't seem like much of an improvement. Thought they would have a higher stock speed than that.

So, scaling on the release driver is pretty damn good if you ask me:
49fps in Heaven 3.0 @ 1080p & everything on and maxed. With SLI:
494

So that's what? 88%? Not bad at all.
Edited by dph314 - 3/28/12 at 7:13pm
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post #449 of 1059
Quote:
Originally Posted by dph314 View Post

My Boost already goes up to 1124mhz on the one card and 1110 on the other. This doesn't seem like much of an improvement. Though they would have a higher stock speed than that.

Not everyones cards do those speeds by default.
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post #450 of 1059
Quote:
Originally Posted by BababooeyHTJ View Post

Not everyones cards do those speeds by default.

Yours is 1084mhz on the other thread. I just mean I don't think it would be worth paying more for so few mhz. Such a small improvement isn't it?
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