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~~The GTX 670 Overclocking Master-Guide~~ - Page 83

post #821 of 3357
UPDATE: I'll leave this here as a warning that apparently there might be a bug in EVGA Precision X. I was easily able to reproduce the problem by setting the power target to 100%. Apparently, the 122% setting that is displayed in the screenshot wasn't being applied. So, I think that's what was going on.


I'm finding something odd. It's shown in the screenshot.



Note that although temperature is less than 61, power% is only 102, so there shouldn't be any throttling?

But look at GPU clock in monitoring. It's 903. And that's what showed up during the benchmark in the on screen display.
But GPU-Z shows GPU clock is 1060, boost 1125, and kepler boost (mine is 170) would take max boost to 1295. Where is 903 coming from? And the benchmark is slow just as that suggests.

Notice how it spikes up after the benchmark is stopped?

Changing the memclock offset didn't affect it. I started it at 0 and moved it up thinking maybe somehow it was too slow but it had the same behavior.
Edited by taotree - 9/5/12 at 3:04pm
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post #822 of 3357
What's the point of the voltage tuner in PrecisionX when it doesn't seem to do anything? I set it all the way down at the very bottom, 825 mV, and the voltage on the monitor still goes up to 1.175 running Heaven.
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post #823 of 3357
Did you try restarting your computer? Some weird things happen with 2d mode.

Also, it's your 6 series card that auto volts itself to max when under load, the option is there because the program supports a lot of different gpus.
Edited by ShotgunBFFL - 9/5/12 at 8:29pm
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post #824 of 3357
So... no matter what I do, the power won't go above 100%. It's bad enough I have a really low kepler boost (~75), but this is just plain retarded... +35 is about my limit.
    
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post #825 of 3357
Quote:
Originally Posted by rmp459 View Post

So... no matter what I do, the power won't go above 100%. It's bad enough I have a really low kepler boost (~75), but this is just plain retarded... +35 is about my limit.

I can go to 122%, but it hits there very easily. Even with a temp of 61C, it will hit the power max and throttle. Makes me wonder if that other bios is worth it to go higher. Trying to overclock was really frustrating because there didn't seem much I could do. It would just keep hitting that power throttle.
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post #826 of 3357
Quote:
Originally Posted by ShotgunBFFL View Post

Also, it's your 6 series card that auto volts itself to max when under load, the option is there because the program supports a lot of different gpus.

Do all 670's do this? A note in the guide might be useful to explain that for some or all of us that setting is meaningless. If there already is such a note, sorry I missed it.
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post #827 of 3357
Quote:
Originally Posted by taotree View Post

Do all 670's do this? A note in the guide might be useful to explain that for some or all of us that setting is meaningless. If there already is such a note, sorry I missed it.
yes all 6 series cards do it and adding a note to tell you wouldn't make a difference lol
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post #828 of 3357
Quote:
Originally Posted by taotree View Post

I can go to 122%, but it hits there very easily. Even with a temp of 61C, it will hit the power max and throttle. Makes me wonder if that other bios is worth it to go higher. Trying to overclock was really frustrating because there didn't seem much I could do. It would just keep hitting that power throttle.

Yea I dunno, I crash before I can get it over 100% power.

I can get to 1215mhz, but not sure if it will do anymore than that. Temps stay under 63/64C.
Edited by rmp459 - 9/6/12 at 6:57am
    
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post #829 of 3357
Hi Overclock forums,

Problem

I am a new PC builder and am nearly at my wits end trying to resolve my video performance issues. Relevant to this guide, I am unable to achieve low enough temperatures to avoid throttling. I am running two EVGA GTX 670 FTW cards in SLI.

Maximum temperatures:
Idle @ either stock OC or my OC: 43/40C
Unigine Heaven 3 @ stock OC: 74/70C
Unigine Heaven 3 @ my OC: 76/72C
Furmark @ my OC and 60% fan: >84/>81C (I quit at 84C)
Furmark @ my OC and 100% fan: 83/74C (case closed and open)

My OC: 1.175V, 145% Power Target, GPU Offset: 70 MHz, Mem Offset: 75 MHz (stable in Unigine and 3D Mark, but I'm above 70C)
1246/1273 MHz pseudo-Max Clock in Unigine
Unigine Score @ my OC (after boot): 93.1 FPS

The more important issue is that I have been consistently crashing since building 3 weeks ago. I wonder if it has to do with my red hot idle and load temperatures. Here is a link to me describing the issue and things I have tried: http://www.overclock.net/t/1302917/display-driver-stopped-responding-and-has-recovered. I have been in contact with my manufacturers with no solutions found yet.



With fingers crossed,

jleon088
Edited by jleon088 - 9/6/12 at 10:48am
post #830 of 3357
Quote:
Originally Posted by rmp459 View Post

Yea I dunno, I crash before I can get it over 100% power.
I can get to 1215mhz, but not sure if it will do anymore than that. Temps stay under 63/64C.


I can get 1300 MHz, but under the Unigine benchmark it will keep throttling down, down, down. Even 1200 MHz results in it power throttling.
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