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~~The GTX 670 Overclocking Master-Guide~~ - Page 10

post #91 of 3357
thank you so much for this guide. i was able to get 1230 boost clock with this.

i have one annoying problem though, in GPUz my bus interface is reading pci-e 2.0 x 16 @ x4 1.1
ive tried everything to run this at x16 and i cant get it to change.
my motherboard is an asus p8z68-v lx bios 3904. I think this is lowering my scores because my graphics windows index is a 7.5 instead of a 7.9.
post #92 of 3357
Wow, this guide has helped me tremendously with my 670 FTW!

I have followed up to where I would begin messing with the memory offset. Just to show people where I'm at, here is my best stable overclock with no memory settings whatsoever!

+145% power
+124 Mhz Clock offset

338

700
Edited by Xenon64 - 6/7/12 at 10:21am
post #93 of 3357
Quote:
Originally Posted by klaurent02 View Post

thank you so much for this guide. i was able to get 1230 boost clock with this.
i have one annoying problem though, in GPUz my bus interface is reading pci-e 2.0 x 16 @ x4 1.1
ive tried everything to run this at x16 and i cant get it to change.
my motherboard is an asus p8z68-v lx bios 3904. I think this is lowering my scores because my graphics windows index is a 7.5 instead of a 7.9.

click the question mark next to it in gpuz then start the render test and it will go to the correct value!
post #94 of 3357
Quote:
Originally Posted by XFighter899 View Post

I recently bought a ASUS GTX 670 Top and start a oc based on the guide (well written and useful thanks)
Im not consider a serious overclocker so my question is, can I push even further the oc on this card.
This is the most stable clocks so far, increase 5mhz on gpu or memory heaven benchmark quicly gives artifacts and a error message, that i think is unstable oc
I need increase voltage? headscratch.gif
Note: Voltage is 1.1750v (default). Warning: Spoiler! (Click to show)
gtx670oc.jpg
heavenresults1.jpg/SPOILER]

1st: no voltage cant be increased.
2nd: you can try 1mhz offset on gpu but i advice you to put mayb less on GPU and try boost your mem clock a bit more(for me it gave better fps) so mayb try 45 and do a +50 on memory(so for you +125) if stable push memory again with another +50 if you found max mem over clock push your gpu clock by 5 and see if stable if not go 4 3 2 1 => back at + 45. if stable go + 1 2 3 4 =>55 you prob wont make cause you already crash now.

compare it to your heaven score with highest gpu clock and see whats best for you.

3th: if you do heaven and want comparable result run like the rest of us (1920x1080 and 8XAA).

(sorry for double post:()

gl!smile.gif
Edited by Skunt - 6/7/12 at 10:05am
post #95 of 3357
Thread Starter 
Quote:
Originally Posted by XFighter899 View Post

I recently bought a ASUS GTX 670 Top and start a oc based on the guide (well written and useful thanks)
Im not consider a serious overclocker so my question is, can I push even further the oc on this card.
This is the most stable clocks so far, increase 5mhz on gpu or memory heaven benchmark quicly gives artifacts and a error message, that i think is unstable oc
I need increase voltage? headscratch.gif
Note: Voltage is 1.1750v (default). Warning: Spoiler! (Click to show)
gtx670oc.jpg
heavenresults1.jpg[

Did you already try increasing the voltage slider to 1.175V? Like this:
368

If you still crash by increasing the core by 5MHz then you're very close to your maximum overclock. You could try increasing it in 1MHz steps if you really care about getting within 1MHz of your true max.
post #96 of 3357
I start playing some games to test the oc like battlefield 3 and sometimes appears black squares on the ground so far in one particular mission
could this be a bug game or memory failing sins
I ope my oc didn't broke the memory
Change to default clocks and still sometimes show texture bugs

example textures on table flickring
74386036.png
Edited by XFighter899 - 6/7/12 at 11:30am
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post #97 of 3357
I'm at a place where I could use some input. I'm getting weird peaks on TDP and GPU usage, and at the beginning of benches, there is a slow ramp up to the max clock. Note that the second image is from a different run at +48.


338

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post #98 of 3357
GPU usage drops like that are usually due to external processes hogging resources.
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post #99 of 3357
@Autotroph

Lots of people get those weird random troughs in GPU usage in the Heaven Bench. Nothing to worry about there.

As far as the clocks ramping up in the beginning of the test goes, these cards exhibit odd behaviors like that from time to time. That have a bit of a mind of their own when it comes to deciding what clocks they'll run at.

Something like what you're talking about here is going to be completely unnoticeable when gaming, and affect a benchmark score only by a tiny, tiny amount. Honestly I wouldn't waste your time worrying about it.
    
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post #100 of 3357
Hey!

I've asked this question on the Official overclocking thread and got two different responses, so checking here as well to get better confirmation about my issue.

When I run Unigine Heaven 3.0 I sometimes get Glitches/Flashes mostly a single flash that cover the entire screen but also some houses dissappearing and reappearing in a split second. All of this at factoryclock. I've even tried lowering the clock but with the same result, maybe a little less frequent but I'm not sure about that. Is this normal in Heaven or is this infact artifacts? I can try explaining or capture the flashes/glitches if needed.

I've had one saying that this is normal in Heaven and another one saying that that never happens to him.

Thanks in advance.

Edit: I've also noticed in GPU-Z during both idle and load my pci-e interface is 1.1 16x @ 1.1 16x, shouldn't it be 2.0 or something?
Using p5k-premium socket 775

Edit2: I'd like to add also that when playing BF3 I get huge FPS drops when looking in a distans, and at the same time as this happens I see that my GPU Usage goes down from about 80% to 50-60% or even less. You would think it'd go up during something demanding.
I've also noticed that my 4gb ddr2 RAM has been using up to 4002 mb, while playing BF3. Can RAM be a bottleneck in that case and lowering the GPU Usage?

413
Edited by KMan90 - 6/7/12 at 4:07pm
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