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~~The GTX 670 Overclocking Master-Guide~~ - Page 293

post #2921 of 3357
Quote:
Originally Posted by Gero2013 View Post

noob question here, does OCing my 670 void warranty?

(I couldn't find this in the first page)

It shouldn't.  What brand 670 is it?

 

If you flash modded vbios, that could void your warranty depending on the company because you are overvolting it.

post #2922 of 3357
Quote:
Originally Posted by anubis1127 View Post

It shouldn't.  What brand 670 is it?

If you flash modded vbios, that could void your warranty depending on the company because you are overvolting it.

It's Gigabyte Windforce 3X 670 OC 2GB
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post #2923 of 3357
Quote:
Originally Posted by Gero2013 View Post


It's Gigabyte Windforce 3X 670 OC 2GB

Normal software overclocking should not void the warranty.

post #2924 of 3357
Quote:
Originally Posted by anubis1127 View Post

It shouldn't.  What brand 670 is it?

If you flash modded vbios, that could void your warranty depending on the company because you are overvolting it.

Yeah but you could always just flash back your original vBIOS and the manufacturer will never know.
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post #2925 of 3357
Hey guys I know this is a GTX 670 overclocking guide. But I have a EVGA GTX 680 4GB just the standard no special cooling or factory overclock. Upon getting Battlefield 4 I wanted to overclock my GPU to see how much more performance I could get out of it. Using Precision X v4.2.1 and of course using the latest nvidia drivers 331.65 (ones recommeded for Battlefield 4). Using Heaven Benchmark 4.0 with max settings @ a my native monitor resolution of 2560x1600. I could only offset the core clock by 120. It was stable at 125 but when I was happy with the core clock I added 100 to the memory offset clock.

While running heaven benchmark the computer didn't crash, nor did heaven. The screen flickered off for a split second and came back on like nothing happened. But something did happen my static 75% fan throttled down to default and of course it started overheating and in turn the card started throttling the clocks.

Considering people are easily able to get +300 memory offset with these cards I figured the core clock offset of 125 wasn't actually stable so I took it down a notch to 120. Had to restart Precision X because it wouldn't let me adjust the fan control again. Ran the benchmark again and it was stable. Then like it suggested in the guide I upped the memory offset by another 100 for a total of 200. The fan throttled again the same thing that happened before so like suggested in the guide I bumped the memory offset by 20. It was stable no problems.

While I am happy with the results it seems compared to others my overclock is relatively poor.

Is their anything that I can do or in terms of overclocking do I just have a really bad card?

The temp never goes above 66c after a full run in heaven. So heating is not an issue according to gpu-z it doesn't hit the power limit wall.Or maybe a corsair TX750 watt power supply can't handle that much of an overclock? I dunno. I do know people SLI all the time on a 750watt power supply heck I even use to run 2 HD 5850's in crossfire on the same power supply and before that on a 650watt power supply. So it would seem kinda dumb to assume a single relatively small overclock on a GTX 680 was too much for a 750watt power supply.

Any suggestions?

Thanks for the guide btw!

edit: wow after a quick test on bf4 my fps went from 50-60 and dropping to 45 sometimes to 90-100 to dropping to 85 sometimes (testing in the same place). Is that really a 30fps increase? If so that's crazy what this card can do. if only I could get it to work right and overclock some more.
Edited by roberts91 - 10/30/13 at 10:43pm
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post #2926 of 3357
Quote:
Originally Posted by roberts91 View Post

Hey guys I know this is a GTX 670 overclocking guide. But I have a EVGA GTX 680 4GB just the standard no special cooling or factory overclock. Upon getting Battlefield 4 I wanted to overclock my GPU to see how much more performance I could get out of it. Using Precision X v4.2.1 and of course using the latest nvidia drivers 331.65 (ones recommeded for Battlefield 4). Using Heaven Benchmark 4.0 with max settings @ a my native monitor resolution of 2560x1600. I could only offset the core clock by 120. It was stable at 125 but when I was happy with the core clock I added 100 to the memory offset clock.

While running heaven benchmark the computer didn't crash, nor did heaven. The screen flickered off for a split second and came back on like nothing happened. But something did happen my static 75% fan throttled down to default and of course it started overheating and in turn the card started throttling the clocks.

Considering people are easily able to get +300 memory offset with these cards I figured the core clock offset of 125 wasn't actually stable so I took it down a notch to 120. Had to restart Precision X because it wouldn't let me adjust the fan control again. Ran the benchmark again and it was stable. Then like it suggested in the guide I upped the memory offset by another 100 for a total of 200. The fan throttled again the same thing that happened before so like suggested in the guide I bumped the memory offset by 20. It was stable no problems.

While I am happy with the results it seems compared to others my overclock is relatively poor.

Is their anything that I can do or in terms of overclocking do I just have a really bad card?

The temp never goes above 66c after a full run in heaven. So heating is not an issue according to gpu-z it doesn't hit the power limit wall.Or maybe a corsair TX750 watt power supply can't handle that much of an overclock? I dunno. I do know people SLI all the time on a 750watt power supply heck I even use to run 2 HD 5850's in crossfire on the same power supply and before that on a 650watt power supply. So it would seem kinda dumb to assume a single relatively small overclock on a GTX 680 was too much for a 750watt power supply.

Any suggestions?

Thanks for the guide btw!

PSU should not be an issue.  I have my 680 Lightning @ 1.28V on a 620W Seasonic Bronze PSU, and it folds all day, 24/7, and it's completely stable @ 1326Mhz.

 

Kepler core clocks increase in increments of 13Mhz, so seeing a difference between 120, and 125 is rather odd to me, unless somewhere in between there is where you card goes +13, or -13Mhz.

 

What is the ASIC Quality % in GPU-Z, and stock Kepler boost clock on your card?  What clock does +120Mhz get you to?  

 

Only +200Mhz is rather strange / low to me.  I would start by OCing the RAM on your card considering it is a 4GB card, and if BF4 is anything like BF3, it will go Oooo, there is vram available, let me allocate that right quick.  GK104s are a bit memory bandwidth starved, so clocking the RAM as high as you can is actually pretty useful for getting better performance in games.  Once you get the max memory clocks, then increase in increments of +13Mhz until you find a good clock speed you are happy with.

 

[edit]

 

Oh, and you can always overvolt the card a bit, you'll need to flash a modded bios for that.  You don't necessarily have to go full bore at 1.21V (max on reference BIOS), I've seen good results on my 670s even at just 1.187, or 1.195V


Edited by anubis1127 - 10/30/13 at 10:50pm
post #2927 of 3357
Quote:
Originally Posted by anubis1127 View Post

PSU should not be an issue.  I have my 680 Lightning @ 1.28V on a 620W Seasonic Bronze PSU, and it folds all day, 24/7, and it's completely stable @ 1326Mhz.

Kepler core clocks increase in increments of 13Mhz, so seeing a difference between 120, and 125 is rather odd to me, unless somewhere in between there is where you card goes +13, or -13Mhz.

What is the ASIC Quality % in GPU-Z, and stock Kepler boost clock on your card?  What clock does +120Mhz get you to?  

Only +200Mhz is rather strange / low to me.  I would start by OCing the RAM on your card considering it is a 4GB card, and if BF4 is anything like BF3, it will go Oooo, there is vram available, let me allocate that right quick.  GK104s are a bit memory bandwidth starved, so clocking the RAM as high as you can is actually pretty useful for getting better performance in games.  Once you get the max memory clocks, then increase in increments of +13Mhz until you find a good clock speed you are happy with.

[edit]

Oh, and you can always overvolt the card a bit, you'll need to flash a modded bios for that.  You don't necessarily have to go full bore at 1.21V (max on reference BIOS), I've seen good results on my 670s even at just 1.187, or 1.195V

Umm I didn't even know there was a such thing as an ASIC quality lol. So I just googled it and according to gpu-z it's 73.5%. They sure do hide that thing. I don't know if that's bad, average, or good. I don't think I calculate my kepler boost clock right as it was described in the guide as it was no where near 104 like he said his card was. I ended up only calculating it to be 13. But for now I gotta go to bed it's like 3:00AM here. I will post back with my findings on the stock kepler boost block. And what +120Mhz get's me cause I don't remember off the top of my head. So I'l have to run a quick heaven benchmark tomorrow and post that as well. I will also try overclocking the memory as high as I can first then overclocking the core clock in increments of 13Mhz like you suggested and see if i get better overclock / better scores / FPS. The better FPS is obviously the main attraction as that's all that matters who cares if I get 20 more points in heaven if I can get an extra 10 fps in an actual video game. Where it's going to matter (to me). Anyways gotta go get off and get ready to hit the sack. Thanks for the reply!
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post #2928 of 3357
Quote:
Originally Posted by roberts91 View Post

Hey guys I know this is a GTX 670 overclocking guide. But I have a EVGA GTX 680 4GB just the standard no special cooling or factory overclock....

TX750 should be more than plenty for power.

Offset values doesn't tell anyone what clock rate your gpu is running... you gotta say what the max boost is under load.

> The better FPS is obviously the main attraction

Yup... the game engine based benchmarks (heaven/valley) are reasonable indicators of what kind of fps improvements you will see in real games.

> 73.5%

Beats mine at 73%... its able to run at 1306Mhz at stock voltage, but i don't max it out for everyday use... 1267Mhz is what i generally run it at (i have a non-fancy gpu cooler).

> Any suggestions?

Find max core and mem clocks independently... then put the two together, giving preference to running a higher core clock.
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post #2929 of 3357
I just started testing my ASUS DCU 670 OC card and im getting 1251 with a boost clock of 1176 and memory 6208, this is running the AVP test, is that reasonable?
post #2930 of 3357
For the life of me, I can't get anything stable over here. I don't get any crashes, everything works as it should really. It's this oc tha I can't max, because even if I follow the guide to the letter, I get something like this:

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