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[OFFICIAL] GTX 670 Overclocking - Page 40

post #391 of 1562
So the Asus GTX 670 DirectCUII TOP arrived today looks the business and boosted to 1280mhz out of the box ! after a day of messing about only managed +8mhz to the core and 300mhz to the memory giving a total 0f 1289mhz to the core and 3305mhz to the memory...

338
post #392 of 1562
sausage boy, your scores look off. You should be seeing at least 50fps avg with that core/mem OC.
post #393 of 1562
Quote:
Originally Posted by PMantis24 View Post

sausage boy, your scores look off. You should be seeing at least 50fps avg with that core/mem OC.

That's the score I get @ 1240/3005.

And that Afterburner shot says he boosted to 1321MHz core at some point. wth.gif
Edited by samwiches - 5/31/12 at 11:12am
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post #394 of 1562
Thread Starter 
Quote:
Originally Posted by samwiches View Post

That's the score I get @ 1240/3005.

Looks like the Intel C2Q is bottlenecking a bit.
post #395 of 1562
Quote:
Originally Posted by Bosniac View Post

Quote:
Originally Posted by samwiches View Post

That's the score I get @ 1240/3005.

Looks like the Intel C2Q is bottlenecking a bit.

Maybe, but at 3.2GHz? At his 670 speeds I get around 48FPS, and I don't think heaven is that sensitive to the CPU.
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post #396 of 1562
The problem is maximum core clock is not important, what's important is how often your card maintains the max. Here, check this out:
648
You see how the card is dropping super low, down to sub-1200mhz multiple times at the start of that 3dMark11 run? That's because that portion of the benchmark was drawing so much power that it would spike my power percent usage (you see it's at 117%, the max) so the card was forced to throttle down to 1167mhz. However, if you look at the graph, you can see my max core clock was still 1257, but it didn't constantly run at that speed.

Now look at this one:
697
By increasing my power percent by 5%, it allowed the card to stay at a relatively constant core speed (only dipped once to 1244). Despite having the same maximum core speed of 1257, this run scored 15% higher than the previous one where my Kepler boost was getting constantly throttled.

If you're already at the maximum power percent, the only way to stop the core speed from throttling is to reduce the core offset a bit. It might reduce your maximum core speed, but it will give you increased performance because the card will run at a constantly higher core speed with less drops.
post #397 of 1562
Wait.... 117% is max power target? My Gigabyte GTX 670 maxes out at 111% in Precision
post #398 of 1562
Quote:
Originally Posted by Exolaris View Post

Wait.... 117% is max power target? My Gigabyte GTX 670 maxes out at 111% in Precision

Every card is different. The EVGA FTW has a max power limit of 145%, ASUS 117%, GB 111%
post #399 of 1562
Quote:
Originally Posted by Exolaris View Post

Wait.... 117% is max power target? My Gigabyte GTX 670 maxes out at 111% in Precision

Depends on the card. An asus dcii 670 I have goes to 122% and my Ftw does 130%

Actually gonna return the asus. It wad a crappy clocker. Asus max 1180mhz on heaven anf usually bf3 is harder on the card so its max is probably 1150mhz but man is it SILENT!

the FTW does 1215-1220mhz without touching a thing. I know it won't do 1300 though. Probably 1250 max once I start to play with it
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post #400 of 1562
Quote:
Originally Posted by PMantis24 View Post

Every card is different. The EVGA FTW has a max power limit of 145%, ASUS 117%, GB 111%

Also, it's really wrong to think the Gigabyte has less overclocking room !
You'd probably never go past 80% on it thumb.gif
Mine top at 65% on stock speed (1150mhz boost), which is already slightly overclocked ...

It has been said several times here.
I can only hope we can OC the vcore anytime soon !
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