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~~The GTX 670 Overclocking Master-Guide~~ - Page 294

post #2931 of 3357
It looks like you're maxing out your cards' TDP.

Nothing that you can do except either sacrifice core clock for memory or vice versa

Edit: what bench are you using? Synthetic benches put unrealistic load on the cards and give irrelevant results.

Try using Heaven or 3dmark.
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post #2932 of 3357
That is from heaven benchmark. How did I max the cards? Even if I put 122% in there, it is still the same.
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post #2933 of 3357
Quote:
Originally Posted by H3avyM3tal View Post

That is from heaven benchmark. How did I max the cards? Even if I put 122% in there, it is still the same.
I can't really be sure from that screen. Take a shot of the GPU-Z window showing all the maximums right after benching.

Also, if you're overclock the power target should always be as high as you can set it. What are you limited at, 122%?

If you set your power target to 122% and it throttles, but not as much as 110%, then you're maxed. Your chip and memory can probably clock a bit higher, but your board can't provide it enough power.

It looks as if your cards are hitting the 110% limit you have set, try doing a bench at 122%.

You said your card is stable during benching, correct? The temperatures look well below the throttle point so I know that's not an issue.
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post #2934 of 3357
Well, I got STOP Error 0x00000116: VIDEO_TDR_ERROR with +80 on.

I lowered it to +60 and managed to complete the run. Both cards are under water.

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post #2935 of 3357
Yeah it looks like you're getting a bit of throttling due to limited TDP.

Your cards aren't throttling much, and you're at your cores' max oc so it's not really anything to worry about.

What kind of cards do you have? You should be able to clock a bit higher on water.

Edit: Just saw you have superclocked cards. 1200mhz is by no means a bad overclock, it's just not amazing.

Either way your cards should perform well for quite a while.
Edited by chiknnwatrmln - 11/2/13 at 8:40am
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post #2936 of 3357
I have the EVGA 4GB SC+, both of them are the same. I tried flashing them before with the higher voltage bios, but it didn't really do anything, so I reflashed to teh original bios.

I'm pretty disappointed really, even if performance is ace. Would've like a more stable overclock, and not a fluctuating one.

Edit:
The point is that my card's clock always fluctuate. It never stays stable while gaming or benching. I am getting the performance I should, but I can't seem to get the results illustrated in the op. I don't mind a 1200 oc, I just want it to be 1200 stable.
Edited by H3avyM3tal - 11/2/13 at 10:26am
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post #2937 of 3357
I'm following the "Setting up a Quiet and/or Efficient Fan Curve" part of the guide, but my card (Windforce 3x 670) seems to not allow me to go lower than 20% fan speed. My idle speed is 35c and I want to see if 15% fan will allow me to keep that.

Any thoughts?
post #2938 of 3357
Quote:
Originally Posted by H3avyM3tal View Post

I have the EVGA 4GB SC+, both of them are the same. I tried flashing them before with the higher voltage bios, but it didn't really do anything, so I reflashed to teh original bios.

I'm pretty disappointed really, even if performance is ace. Would've like a more stable overclock, and not a fluctuating one.

Edit:
The point is that my card's clock always fluctuate. It never stays stable while gaming or benching. I am getting the performance I should, but I can't seem to get the results illustrated in the op. I don't mind a 1200 oc, I just want it to be 1200 stable.
You can lower the memory clock to use less power and stabilize the core. That's really the only option.

To above: modify your bios and flash it. You can unlock your fan speed to 0-100%, and you can raise your voltage if you desire. I can post the link to the guide I used, I just gotta find it.
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post #2939 of 3357
Quote:
Originally Posted by chiknnwatrmln View Post

You can lower the memory clock to use less power and stabilize the core. That's really the only option.

To above: modify your bios and flash it. You can unlock your fan speed to 0-100%, and you can raise your voltage if you desire. I can post the link to the guide I used, I just gotta find it.
I'd appreciate the link. I thought about this, but not sure how to go about it.
post #2940 of 3357
Here you go. http://forums.bit-tech.net/showthread.php?t=257249

I used the first method. I also suggest raising the voltage as high as you can. My card went from 1201/6500 to 1241/7900 just from a 3% increase in voltage, and because of the unlocked fan it actually runs cooler.

The FTWs fan at 100% sounds like a jet though...
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