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[Official] NVIDIA GTX 680 Owner's Club - Page 34

post #331 of 6048
May I join?

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I will be adding a 2nd one in 2 weeks. thumb.gif
    
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post #332 of 6048
Quote:
Originally Posted by TheBlademaster01 View Post

Do you mean the voltage control is bad or the OC scales bad with increasing voltage (I know GTX 680 has dynamic control btw wink.gif)?

Well been following the 7970 club thread. When they've hit their over clock limit on stock voltage, they don't have much head room to higher voltage to get higher clocks like we are used to from previous gen GPU's.

With about 1.220mV they can get up to 1200 Mhz seems to be the ceiling average except for the few luckier ones who got a good chip. The norm seems to be 1175 Mhz.

Average over clocks on the core 1060 Mhz on stock voltage seems to be the norm.

With voltage tweaks they can push the average Core 1100 Mhz - 1175 Mhz.

Another thing I've noticed is to get higher clocks they have to push their fans way up even if the GPU doesn't get hot in order to stay stable at higher clocks. They complain about the noise level as those reference cards are loud. If they lower the fan speeds they go unstable again.

There is some common denominator I'm betting between both the 7970 and 680 on the 28nm fab design. Poor voltage acceptance, needing fans running high to obtain higher over clocks, and the one thing I've found interesting is putting the cards under water doesn't seem to help their situation much at all even though the cards run cooler. If anything putting a water block on it is done to quiet their card more than anything.


I have a feeling we are going to experience something similar.
     
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post #333 of 6048
Quote:
Originally Posted by Arizonian View Post

Well been following the 7970 club thread. When they've hit their over clock limit on stock voltage, they don't have much head room to higher voltage to get higher clocks like we are used to from previous gen GPU's.
With about 1.220mV they can get up to 1200 Mhz seems to be the ceiling average except for the few luckier ones who got a good chip. The norm seems to be 1175 Mhz.
Average over clocks on the core 1060 Mhz on stock voltage seems to be the norm.
With voltage tweaks they can push the average Core 1100 Mhz - 1175 Mhz.
Another thing I've noticed is to get higher clocks they have to push their fans way up even if the GPU doesn't get hot in order to stay stable at higher clocks. They complain about the noise level as those reference cards are loud. If they lower the fan speeds they go unstable again.
There is some common denominator I'm betting between both the 7970 and 680 on the 28nm fab design. Poor voltage acceptance, needing fans running high to obtain higher over clocks, and the one thing I've found interesting is putting the cards under water doesn't seem to help their situation much at all even though the cards run cooler. If anything putting a water block on it is done to quiet their card more than anything.
I have a feeling we are going to experience something similar.


Most 7970 not need tweaks to hit 1125mhz. Mine does it with 1.11mV. Then for 1160 needs 1.16mV. Above that , the ratio between temps/vcore becomes very picky. You speak the truth about the similarities between 7970/680 regarding o/c -> fab design but 680 is a new chip and has room for exploration. On the other hand you will never find the limits of your chip if you don't cool it with water. I cannot guess the limits of my 7970 with max load temp at 45c. The bad thing is that i don't know if its worth the cost either...
Edited by stinart - 3/24/12 at 4:31am
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post #334 of 6048
Quote:
Originally Posted by Arizonian View Post

Well been following the 7970 club thread. When they've hit their over clock limit on stock voltage, they don't have much head room to higher voltage to get higher clocks like we are used to from previous gen GPU's.
With about 1.220mV they can get up to 1200 Mhz seems to be the ceiling average except for the few luckier ones who got a good chip. The norm seems to be 1175 Mhz.
Average over clocks on the core 1060 Mhz on stock voltage seems to be the norm.
With voltage tweaks they can push the average Core 1100 Mhz - 1175 Mhz.
Another thing I've noticed is to get higher clocks they have to push their fans way up even if the GPU doesn't get hot in order to stay stable at higher clocks. They complain about the noise level as those reference cards are loud. If they lower the fan speeds they go unstable again.
There is some common denominator I'm betting between both the 7970 and 680 on the 28nm fab design. Poor voltage acceptance, needing fans running high to obtain higher over clocks, and the one thing I've found interesting is putting the cards under water doesn't seem to help their situation much at all even though the cards run cooler. If anything putting a water block on it is done to quiet their card more than anything.
I have a feeling we are going to experience something similar.

Your observations on 7970's are completely accurate, I've followed oc's of them as well. As far as 28nm, it does indeed seem you are correct there too.

Quote:
Originally Posted by dVeLoPe View Post

Already got your hands on an EVGA GeForce GTX 680?
Looking for a free EVGA High Flow Bracket to shave an extra 3 degrees Centigrade off of the GPU temperature? Now is your chance!
The first 200 owners in North America/Europe that have a registered EVGA GeForce GTX 680, and sign up here will get one delivered directly to their doorstep, completely free! Limited supplies so sign up now!
if i register then the card wont have transferable warranty will it? I am able to have +125 oc with power settings at 70% how is that??

Go double-check the warranty text, but it looks to be that registering it does *NOT* affect the transferability of the warranty, but rather just gives you the ability to buy an extended one and/or step-up. Here's the overview link:

http://www.evga.com/articles/00671/
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post #335 of 6048
Quote:
Originally Posted by kcuestag View Post

May I join?

I will be adding a 2nd one in 2 weeks. thumb.gif

Like a boss man thumb.gif

Btw, kcue I have the same fly killing device tongue.gif

Quote:
Originally Posted by Arizonian View Post

Well been following the 7970 club thread. When they've hit their over clock limit on stock voltage, they don't have much head room to higher voltage to get higher clocks like we are used to from previous gen GPU's.
With about 1.220mV they can get up to 1200 Mhz seems to be the ceiling average except for the few luckier ones who got a good chip. The norm seems to be 1175 Mhz.
Average over clocks on the core 1060 Mhz on stock voltage seems to be the norm.
With voltage tweaks they can push the average Core 1100 Mhz - 1175 Mhz.
Another thing I've noticed is to get higher clocks they have to push their fans way up even if the GPU doesn't get hot in order to stay stable at higher clocks. They complain about the noise level as those reference cards are loud. If they lower the fan speeds they go unstable again.
There is some common denominator I'm betting between both the 7970 and 680 on the 28nm fab design. Poor voltage acceptance, needing fans running high to obtain higher over clocks, and the one thing I've found interesting is putting the cards under water doesn't seem to help their situation much at all even though the cards run cooler. If anything putting a water block on it is done to quiet their card more than anything.
I have a feeling we are going to experience something similar.

That's what I guessed. When the process gets smaller, meaning the transistors, the less current flows through the transistor with voltage increase.
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post #336 of 6048
Quote:
Originally Posted by martianaphid View Post

@ Tremolo, from what I've seen the EVGA cards are about a week away in the UK so I would imagine something similar in Ireland.



I'm also left thinking what exactly it is about the 7900 series that is limiting its performance??? I'm not a technical expert but on paper it has a larger die, greater TDP, a wider memory bus, more VRAM... yet it still falls behind - where is the bottleneck??? Obviously, from a pricing standpoint this doesn't give them the same margin for aggresive pricing, as they already have all these additional expensive components to account for which have not translated into a performance lead. I wonder if they are actually unlocking the full potential of the extra VRAM and wider memory bus and if so is the rumoured 6GB version of the 7970 going to be a waste of time. On the other hand, if we see more memory intensive games and in multi-monitor setups will the 680 begin to fall behind.

I'd really like a fully valid answer...

Also, I'd really appreciate a nice video of a good 64p map ( Strike at Karkand/Gulf of Oman ) on BF3 with Fraps on.
Edited by Deo Domuique - 3/24/12 at 5:04am
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post #337 of 6048
Quote:
Originally Posted by TheBlademaster01 View Post

Like a boss man thumb.gif
Btw, kcue I have the same fly killing device tongue.gif
That's what I guessed. When the process gets smaller, meaning the transistors, the less current flows through the transistor with voltage increase.

Nice! It's awesome.

By the way, here's Unigine Heaven 3.0 benchmark at max settings (1080p, AAx8,AFx16, Tesselation Extreme):

338

I am impressed, I have compared it to my 3-Way SLI GTX580:

3x GTX580 (stock): 79fps
1x GTX680 (stock): 45fps

This is simply amazing, I didn't expect this performance at all, it's very close to a GTX580 SLI, and I am sure a 2nd GTX680 would destroy my 3-Way SLI of GTX580's! eek.gif

Amazing card, love it, runs Battlefield 3 at Ultra + FXAA Medium + HBAO (Motion Blur OFF and MSAA OFF) at 2560x1440 at +60fps at all times, I never expected that at all, I may not order a 2nd GTX680 after all (Or I will, we'll see hahaha), it performs incredibly well! wheee.gif
    
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post #338 of 6048
I've been dieing to jump on these 680's. Been thinking of selling my 580's whilst they are worth something and atleast grabbing one for now and then SLI it with another 680 after I get my payslip. What do you guys think?!
post #339 of 6048
Quote:
Originally Posted by Jue View Post

I've been dieing to jump on these 680's. Been thinking of selling my 580's whilst they are worth something and atleast grabbing one for now and then SLI it with another 680 after I get my payslip. What do you guys think?!

I moved from 3 GTX580's to 1 GTX680, I don't regret.

Sure I lost almost half performance (1 GTX680 seems to be really close to 2 GTX580's at least for me) but I do not regret it, performs like a beast, and I'll end up buying a 2nd card anyways within a few weeks. biggrin.gif
    
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post #340 of 6048
clubbinnnnn

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