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~~The GTX 670 Overclocking Master-Guide~~ - Page 21

post #201 of 3357
With my card I get power throttled. So pegging the voltage actually does more harm than good. I'm at +77 on the core (1200 max boost) and +60 on the memory. Any higher on either, or an increase in the voltage, and I get throttled. Not the best chip, but not too horrible.
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post #202 of 3357
Quote:
Originally Posted by bern43 View Post

Does your clock speed always go down 1 if you lower your overclock 1? I'm lowering my boost from 98, which gives me a 1228 core, to 97, and I'm suddenly getting a 1215 core?

No, there are 'steps' on these cards. Most of them are very small, only a few MHz apart, but there may be some that are up to 13MHz apart. You've found a spot where they are.

Quote:
Originally Posted by FromUndaChz View Post

My question is, do all of you HAVE to manually adjust the voltage to remain stable with your max OC, or are you just doing it to avoid the card downclocking itself on the rare instance that it might decide it doesn't need as much juice? I just keep my power percent pegged on max and it remains stable regardless of what I set the voltage too. I've just been leaving mine to do what it wants and I've been stable. Interested to know why we are adjusting the voltage manually after finding a stable OC, and how many of you need to do that to be stable at max OC - if any..

The only reason I care to max out voltage in Precision is because my card literally WILL NOT go to 1.175V unless I put it there with the voltage tool. Ever. Otherwise it taps out at 1.162V. And there's at least one or two others who've reported the same issue. If your card already runs at 1.175V when it's put on load, and downclocks appropriately whenever volts drop (due to lower load or whatnot) then I don't think using the voltage tuner to up the volts has any real benefit.
Edited by brettjv - 6/20/12 at 12:13am
    
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post #203 of 3357
Quote:
Originally Posted by bern43 View Post

With my card I get power throttled. So pegging the voltage actually does more harm than good. I'm at +77 on the core (1200 max boost) and +60 on the memory. Any higher on either, or an increase in the voltage, and I get throttled. Not the best chip, but not too horrible.


Thas not to good.

Your card boosts to 1200, and it cost 480$, if Amazon prices and Newegg prices are correct.

My EVGA FTW Edition cost 420$ and boosts to 1282mhz and + 350 on the memory.
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post #204 of 3357
Could someone please help me out with my Gigabyte 670s SLI? My score keeps decreasing with every Heaven benchmark test even if increasing or decreasing my offset or even leaving it the same. I'm following everything in the long method guide. Perhaps someone with Team Viewer could give me a hand? I would appreciate that. Please let me know.

Thanks.
post #205 of 3357
Quote:
Originally Posted by Mkilbride View Post

Thas not to good.
Your card boosts to 1200, and it cost 480$, if Amazon prices and Newegg prices are correct.
My EVGA FTW Edition cost 420$ and boosts to 1282mhz and + 350 on the memory.

Well, it actually cost me $377. But still not happy with the throttling. It's actually now throttling at stock, which it wasn't doing when I first got it. I'm rma'ing it. Going to the MSI. Hopefully, I have better luck with that.
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post #206 of 3357
Quote:
Originally Posted by bern43 View Post

Well, it actually cost me $377. But still not happy with the throttling. It's actually now throttling at stock, which it wasn't doing when I first got it. I'm rma'ing it. Going to the MSI. Hopefully, I have better luck with that.

Eh, 377$?

That's a crazy deal man...

I just don't think you're OCing it right...you can't get a RMA for a card unless it is broken...and I don't think you understand that you do not get your money back...you get a replacement card, of the same make, if available.
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post #207 of 3357
It's just that its running way over the 100% TDP at stock and throttling all over the place. It's also that the throttling is only now appearing. When I first got the card, and tested everything at stock, there was no throttling at all. A week later its dropping like crazy. Newegg is out of these, so I'm pretty sure I can just get a straight refund. I was on the fence about whether to RMA this, but I really think the card should run within the TDP at stock. Maybe it's just me though.
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post #208 of 3357
Great job! Thank you!

I got my card overclocked to +200 on core (max volt. 122% power limit)

I was wondering if there is anyway to go beyond 1.175v and 122% limit? a modified bios maybe?
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post #209 of 3357
Thread Starter 
Quote:
Originally Posted by Lutsk92 View Post

Could someone please help me out with my Gigabyte 670s SLI? My score keeps decreasing with every Heaven benchmark test even if increasing or decreasing my offset or even leaving it the same. I'm following everything in the long method guide. Perhaps someone with Team Viewer could give me a hand? I would appreciate that. Please let me know.
Thanks.
That sounds like a memory leak (or fragmented memory) or something similar. Which I've never seen happen in the context of Heaven. Have you tried restarting your computer? What is your GPU memory usage at when you run heaven? Have you ever used MemTest86+ to test your RAM? What happens if you run the card at default clocks, are your scores higher and constant/stable when you do consecutive runs at default clocks?

Quote:
Originally Posted by brettjv View Post

No, there are 'steps' on these cards. Most of them are very small, only a few MHz apart, but there may be some that are up to 13MHz apart. You've found a spot where they are.
The only reason I care to max out voltage in Precision is because my card literally WILL NOT go to 1.175V unless I put it there with the voltage tool. Ever. Otherwise it taps out at 1.162V. And there's at least one or two others who've reported the same issue. If your card already runs at 1.175V when it's put on load, and downclocks appropriately whenever volts drop (due to lower load or whatnot) then I don't think using the voltage tuner to up the volts has any real benefit.
Well, in my case, i actually need to have the voltage maxed out. I will crash in heaven within 2 minutes with my current overclock if i forget to max the voltage after a computer reset. So maxing the voltage out definitely nets me around +18MHz on the core offset (not sure how much on the memory, but it had a effect on the memory too). I've tested heaven for 18 hours and 50+ hours in various games with my current overclock and haven't crashed yet, so maxing the voltage doesn't just temporarily or artificially help the card pass heaven, it seems to actually make the card truly stable (at least in my case).

Quote:
Originally Posted by Gainward View Post

Great job! Thank you!
I got my card overclocked to +200 on core (max volt. 122% power limit)
I was wondering if there is anyway to go beyond 1.175v and 122% limit? a modified bios maybe?
Nope. There might be a way to increase the power limit at some point, but definitely not the voltage without a physical modification of the card. Increasing the power limit without also increasing the max voltage probably won't have a very profound effect. In most cases, the 670's are limited by voltage before the power target.
Edited by SeanPoe - 6/20/12 at 1:09pm
post #210 of 3357
ok i've read conflicting reports on this, maybe someone can help clarify things. firstly i have tried following the guide written here. after making the recommended settings etc, when i ran heaven at stock voltage i could only manage +20 gpu offset. however, if i used the voltage tuner and raised to max (1175) i could hit +35. the confusion comes from other places i have read which said that adjusting the voltage does absolutely nothing b/c they are locked. but in my experience setting voltage to max did make a little difference (although i have not done exhaustive testing). all the other settings were the same between tests, the only difference was raising max voltage vs. stock voltage. i dont really know what to think confused.gif

also, i have not been able to get a conclusive answer to this one as well, but does anyone know if the resolution that the heaven benchmark runs at adversely effects your ability to find your card's max overclock number? for example would a person get the same numbers running say at 1920 vs 1680? i could not really find much info regarding how much resolution factors into it. i was thinking about running heaven benchmark in a window so i could see real time stats on the video card. unless there is a way to do that in heaven itself? i dont really know too much about it.
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