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~~The GTX 670 Overclocking Master-Guide~~ - Page 180

post #1791 of 3357
Thought I'd chime in. I would appreciate some feed back on my recent OC. I'm running a GIGABYTE Windforce GTX 670 OC (GV-N670OC-2GD). After some stress testing in Heaven I found stability at +110 on the core and +584 on the mem (using the recommended EVGA Precision).

Unigine Heaven Benchmark 4.0
FPS: 34.4
Score: 867
Min FPS: 16.7
Max FPS: 75.8

System
Platform: Windows 7 (build 7601, Service Pack 1) 64bit
CPU model: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz (3292MHz) x4
GPU model: NVIDIA GeForce GTX 670 9.18.13.1407 (2047MB) x1

Settings
Render: Direct3D11
Mode: 1920x1200 8xAA fullscreen
Preset: Custom
Quality: Ultra
Tessellation: Extreme

Am I doing something incorrectly? It's my understanding the Gigabyte cards are voltage locked and that may be some of my modest results. However, my numbers/scores really don't measure up to what I'm finding in this thread. Any suggestions? Thanks.
Edited by Xymox007 - 2/26/13 at 10:16pm
post #1792 of 3357
What's the actual clock speed (not the offset) under load? I got a 36.3 at the same settings.
Edited by Forceman - 2/26/13 at 10:54pm
post #1793 of 3357
Quote:
Originally Posted by Forceman View Post

What's the actual clock speed (not the offset) under load?

1228. I'm not even breaking into the 50s on my temps.

EDIT: Perhaps it's time I OC my 2500K :3
Edited by Xymox007 - 2/26/13 at 11:00pm
post #1794 of 3357
Quote:
Originally Posted by kevindd992002 View Post

Which GTX 670 do you have?

I have a Zotac GTX670 OC with a modded bios for max voltage, max boost clock and memory set, so i dont need afterburner anymore.

Does someone have a solution?
Quote:
Originally Posted by Xymox007 View Post

1228. I'm not even breaking into the 50s on my temps.

EDIT: Perhaps it's time I OC my 2500K :3

I'm getting even worse OC, I have my BIOS modded so I can get 1,212 Volt but I cant get over 1228 Max Boost Clock in Heaven. And in BF3 i have to turn down the Max Boost Clock to 1178 to get it stable -.-
I was looking forward to Overclock the 670 very high with watercooling, but I'm very disappointed.
Edited by Punkbuster - 2/26/13 at 11:55pm
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post #1795 of 3357
Maybe the modded BIOS is the problem - I thought I had seen some complaints of weird boost behavior with modded BIOSes (but I haven't really been paying that much attention). VRMs getting enough cooling?
post #1796 of 3357
It's weird because in every other Game it works perfectly, but I will try the original BIOS today.

I hope they get enough cooling, can I read out the Temp somehow? But I hope that this is not a Problem.

And what do you think about a max Boost Clock of 1176 with 1,212Volt?
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post #1797 of 3357
Quote:
Originally Posted by Punkbuster View Post

It's weird because in every other Game it works perfectly, but I will try the original BIOS today.

I hope they get enough cooling, can I read out the Temp somehow? But I hope that this is not a Problem.

And what do you think about a max Boost Clock of 1176 with 1,212Volt?

That seems low. I would expect that kind of clock speed with the normal voltage - something in the 1200s with a modded one. Is it a full coverage water block, or one of the AIO mod-jobs?
post #1798 of 3357
Yea that seems low to me too...

I have a full coverage from Aquacomputer. It is a 680 waterblock because my card has a 680 Ref. Design Board.

http://www.aquatuning.at/product_info.php/info/p13219_Aquacomputer-aquagrafx-GTX-680-G1-4.html
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post #1799 of 3357
I'm also wondering if I should try seating the card in a different PCI-E slot. Or perhaps my GPU to PSU connections are array. I mean, could be a hardware misconfiguration causing the low scores in Heaven, no?
Edited by Xymox007 - 2/27/13 at 7:22am
post #1800 of 3357
Quote:
Originally Posted by Punkbuster View Post

I'm getting even worse OC, I have my BIOS modded so I can get 1,212 Volt but I cant get over 1228 Max Boost Clock in Heaven. And in BF3 i have to turn down the Max Boost Clock to 1178 to get it stable -.-
I was looking forward to Overclock the 670 very high with watercooling, but I'm very disappointed.

I would be equally frustrated if I spent the time/money modding the BIOS and adding watercooling only to see such poor returns. I specifically went with the Gigabyte Windforce 670 because everyone was raving about how great the cooling and OC abilities are. I suppose since I have a later revision (purchased in 09/12) I was one of the unlucky OCers.
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