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~~The GTX 670 Overclocking Master-Guide~~ - Page 298

post #2971 of 3357
my 1055t is stock clocked at 2.8ghz, im also unable to adjust the voltage... yes i can slide the slider up and down but it doesn't seem to do anything, nor does it save after restart... it won't perform any higher then a +31 offset with stability in heaven... but in 3dmark Firestrike, i'm able to make a complete run through with a +51 offset
post #2972 of 3357
Quote:
Originally Posted by Crit View Post

Hi all
I just read trough the guide and understand most of it but I have one question. Why set the clock offset to reach 1100mhz at the beginning what's the significance of this?

I think its just because 1100MHz is almost always achievable... might as well save some time... so instead of creeping up to that point, just start out there and creep higher.
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post #2973 of 3357
Quote:
Originally Posted by Gero2013 View Post
 
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

Ah that's one of the best 670s, especially for cooling. I have the factory OCed version. Great card.

 

Just purchased the very same, but next gen (770) x 3 windforce OC. At 1080p, I still haven't been able to slow the card down with v-sync and triple bufferring on. Maxed out, and more (with ini files mainly) Cry 3, Metro LL and Bio Infinite. Perfect for single screen gaming IMHO, overkill even? Haven't OCed the 770 yet - no need. But will do for some synthetic testing. I use Furmark (pure synthetic) Heaven 4 and Valley 1. Any other recommendations to set the thing on fire?

 

Still, it wouldn't be enough for the newish 4k standard. Correct me if anyone's done that with success. (Single card only).

 

Also, this talk of flashing 670s with 760ti BIOS, and even 770 BIOS for boost 2 is fascinating. Haven't tried it....yet, but would love to hear from you brave guys who've done it!! Still not 100% on warranty invalidation either?

 

Apologies if this has already been clearly stated, I only read the last 12 posts or so.

 

Cheers!

post #2974 of 3357
Quote:
Originally Posted by Crit View Post

Hi all
I just read trough the guide and understand most of it but I have one question. Why set the clock offset to reach 1100mhz at the beginning what's the significance of this?

As Micheal said above, it's pretty much always achievable.

 

In my case I start quite a bit higher than that even. Saves time. But does require plenty of stress testing if you care about a good level of stability. Using the card for F@H for instance.

post #2975 of 3357
Quote:
Originally Posted by H3avyM3tal View Post

I can complete all runs with +90 on core at 110%, but can complete only one run of +54 at 122% (out of about 20 runs). Of course, the frequency of the core, voltage and all will fluctuate like it's a prty in there, and the score will be lower than at 122%. However, at 110% I can also oc the memory, which gives me and over all better result.

I have no idea what is going on, and I need an explanation to ease my mind. Like I said, I don't mind low oc, I just was a stable one.

 

 

Sorry for the 3 posts in a row, it's just that I haven't been here for a long while and keep finding interesting stuff. I promise this is the last for while.

 

Anyway. Three things: Firstly - almost certainly throttling.

 

Secondly: and going beyond topic, the amount of setting (mainly to prevent burnt out cards) that are included in the drivers are really a lot.

 

Simply checking NV control panel only shows a small - very small subset of driver settings.

 

To get a better idea NVdia Inspector is useful, and shows far more settings, but still not all, to varying degrees, depending on new features etc. To use Nvinspector properly requires quite some time and research, but is genuinly interesting and "educational."

 

Lastly the more obscure "hidden," settings are locked, but only to the level NV expects enthusiasts will go to, to unlock them. (In most cases).

 

Pretty much everything can be changed, but this requires great care, and a proper understanding of effects and potential effects, conflicts etc.

 

Details require guides -  good guides, not just a post like this.

 

BTW Reading back over this it may come off as if I am trying show I'm an expert or guru. I am by no means either. I just thoroughly love both research and hands on experiments for my own enjoyment. Actually, sticking to the well known settings it's pretty hard to brick a card these days due to all hidden safety features, so they do serve a purpose. This doesn't apply if you are unlucky and buy a card that just scrapes through quality testing. I'd Hazard a wild guess and say that figure is approx 10% overall. Choose a good vendor! 

 

I know many will disagree with my last paragraph. That's good, and yet another level of discussion.

 

Cheers.

post #2976 of 3357
Quote:
Originally Posted by AndyG View Post


Simply checking NV control panel only shows a small - very small subset of driver settings.

To get a better idea NVdia Inspector is useful, and shows far more settings, but still not all, to varying degrees, depending on new features etc. To use Nvinspector properly requires quite some time and research, but is genuinly interesting and "educational."

Lastly the more obscure "hidden," settings are locked, but only to the level NV expects enthusiasts will go to, to unlock them. (In most cases).

Pretty much everything can be changed, but this requires great care, and a proper understanding of effects and potential effects, conflicts etc.

Details require guides -  good guides, not just a post like this.

BTW Reading back over this it may come off as if I am trying show I'm an expert or guru.I am by no means either. I just thoroughly love both research and hands on experiments for my own enjoyment. Actually, sticking to the well known settings it's pretty hard to brick a card these days due to all hidden safety features, so they do serve a purpose. This doesn't apply if you are unlucky and buy a card that just scrapes through quality testing. I'd Hazard a wild guess and say that figure is approx 10% overall. Choose a good vendor! 

I know many will disagree with my last paragraph. That's good, and yet another level of discussion.

Cheers.

^^ this is good ^^
what hidden settings are you referring to? devil-smiley-019.gif
the first 3 sentences of that last paragraph thumb.gif
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post #2977 of 3357
I have the stock EVGA GTX 670 and could only reach a +117 gpu clock offset (so a 1097mhz Boost clock). Temperature was fine and power too for the 1100mhz run but it just crashed so does that mean that my gpu just sucks for overclocking?
post #2978 of 3357
Quote:
Originally Posted by iRandomize View Post

What are you using to overclock your card? Use Afterburner 2.2.3, that version supports overvolting. I run my 670PE at 1.294v @ 1359mhz

How did you get your PE to 1.294v?
     
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post #2979 of 3357
Quote:
Originally Posted by pc-illiterate View Post
 
Quote:
Originally Posted by AndyG View Post


Simply checking NV control panel only shows a small - very small subset of driver settings.

To get a better idea NVdia Inspector is useful, and shows far more settings, but still not all, to varying degrees, depending on new features etc. To use Nvinspector properly requires quite some time and research, but is genuinly interesting and "educational."

Lastly the more obscure "hidden," settings are locked, but only to the level NV expects enthusiasts will go to, to unlock them. (In most cases).

Pretty much everything can be changed, but this requires great care, and a proper understanding of effects and potential effects, conflicts etc.

Details require guides -  good guides, not just a post like this.

BTW Reading back over this it may come off as if I am trying show I'm an expert or guru.I am by no means either. I just thoroughly love both research and hands on experiments for my own enjoyment. Actually, sticking to the well known settings it's pretty hard to brick a card these days due to all hidden safety features, so they do serve a purpose. This doesn't apply if you are unlucky and buy a card that just scrapes through quality testing. I'd Hazard a wild guess and say that figure is approx 10% overall. Choose a good vendor! 

I know many will disagree with my last paragraph. That's good, and yet another level of discussion.

Cheers.

^^ this is good ^^
what hidden settings are you referring to? devil-smiley-019.gif
the first 3 sentences of that last paragraph thumb.gif

Thanks!

 

I'm too lazy to list them all, (and as mentioned in another post) it does vary by driver, especially beta's of course, and how long the card has been on the market.

 

NV Inspector is a great program IMHO, and doesn't even need to be installed. (Although the latest version is somewhat more intrusive than in the past.)

 

Just download it, an older version if you prefer pure "exe" only progs without installation and you will know exactly what I was trying say. I admit I wasn't overly precise in my ramblings.:cheers:

 

Cheers!

 

Edit: I must humbly admit that the last three sentences you refer too, well, I thought it was a nice touch too!:thumb:


Edited by AndyG - 11/15/13 at 3:54pm
post #2980 of 3357
Hey all, Just picked up an MSI 670 refurb for $220 (after the giga670 I bought new when it came out last year I had to sell) and was excited to use this guide to OC things.

Not sure if anyone else ran into this, like I strongly suspected, the Heaven3.0 bench did not tax my card nearly enough and let me OC the memory clock way too high! Once I got in crysis3 it artifacted in a minute. Anyway here are my now stable settings dialed down from being stable in Crysis 3.

I just had some questions because i've been on my GTX280 the last five years:

1.Is it ok to leave core voltage@+100 and Power Limit@+114 all the time? Heaven couldn't get it past 98% power consumption, and Crysis3 doesn't seem to go past 106%

2.What exactly is the "triple overvoltage" feature on my MSI card and is it a feature I can activate?

Thanks in advance, I haven't ever had a card before that overclocked far past the next tier up (680). I think it's astonishing it now has the same amount of bandwidth as a stock 770!
Edited by Rushnerd - 11/17/13 at 11:21am
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