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post #1781 of 7931
Still deciding on whether to get the volt mod or not..Seems like a bad idea cause of the risk:reward ratio..
Quote:
Originally Posted by HeadlessKnight View Post

That's not a bad OC at all. 1255 MHz is pretty decent and ~6500 MHz memory is the average for the 680. 1300 MHz+ core is pretty hard to get on reference 670s and 680s.
It is also difficult to find 680s to get 7000+ or above. but it is more common on the 670s to see them getting 7000+ especially the EVGA FTW cards.

Why is it that the 670 has more mem clock? Guess Ima stick with my 680 and just get another one second hand if I find a good deal..*siggh
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post #1782 of 7931
Quote:
Originally Posted by BeastRider View Post

Still deciding on whether to get the volt mod or not..Seems like a bad idea cause of the risk:reward ratio..
Why is it that the 670 has more mem clock? Guess Ima stick with my 680 and just get another one second hand if I find a good deal..*siggh

Yu missed that deal i sold my Asus 2gb that did 1350mhz/ + 450mem with the Antec 620 mod for 440$ lol. ( Somebody got a steal )

But still it sat in the market place for a week...
    
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post #1783 of 7931
Quote:
Originally Posted by Paztak View Post

Meh,
Now the person who was already willing to make change between the cards (gtx 670 <-> gtx 680) is saying that he is getting some artifacts and random errors with the card so he don't want to send broken card for me... It's hard to believe that. The change was already agreed and closed, this Monday was meant to be the date of dispatch. Hopefully i will get my cash payment back from him. Now worries though, i have his contact information, so i don't think he is that stupid.
Now that ends my desire to test GTX680 and i will stick to my GTX 670. If i someday need more performance i will make it SLi.. Bujaa!
Wow. Hope you get your money man!
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post #1784 of 7931
no one should do the volt mod, I got tons of red screen lock ups when using it I've been back to my stock bios / max OC and not one since then.

its not worth the risk you void your warranty if they catch you and for what? 20-50mhz thats like 0 performance increase.... just my 2cents.gif
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post #1785 of 7931
Might be worth it if you want to bench some 3dm11 lol
I doubt it would be a useful card for any other bench against current 7970's out there frown.gif
For 24/7 use, perhaps it may help if you got a dud or something.
I'll give it a try soon. biggrin.gif
post #1786 of 7931
Quote:
Originally Posted by HardwareDecoder View Post

no one should do the volt mod, I got tons of red screen lock ups when using it I've been back to my stock bios / max OC and not one since then.
its not worth the risk you void your warranty if they catch you and for what? 20-50mhz thats like 0 performance increase.... just my 2cents.gif

Words from the front lines on Kepler Voltage...

It appears NV confirmed with certainty GK104's voltage was set to the absolute maximum and the chip can fail if you increase voltage beyond stock voltage spec:

"We love to see our chips run faster and we understand that our customers want to squeeze as much performance as possible out of their GPUs. However, there is a physical limit to the amount of voltage that can be applied to a GPU before the silicon begins to degrade through electromigration. Essentially, excessive voltages on transistors can over time "evaporate" the metal in a key spot, destroying or degrading the performance of the chip. Unfortunately, since the process happens over time, it's not always immediately obvious when it's happening. Overvoltaging above our max spec does exactly this. It raises the operating voltage beyond our rated max and can erode the GPU silicon over time.

'In contrast, GPU Boost always keeps the voltage below our max spec, even as it is raising and lowering the voltage dynamically. That way you get great performance and a guaranteed lifetime. So our policy is pretty simple: We encourage users to go have fun with our GPUs. They are completely guaranteed and will perform great within the predefined limits. We also recommend that our board partners don’t build in mechanisms that raise voltages beyond our max spec. We set it as high as possible within long term reliability limits.

They're also leaving a bad taste in board partners' mouths: where in previous generations each company has been able to push its own cards to the limit in order to beat the competition, under Nvidia's alleged new rules all GTX 680 boards will be more or less identical in performance and features."

Now we have 100% confirmation that Kepler's GPU voltage was red-lined from the factory to the absolute safest max allowed. That means NV just officially confirmed that anyone increasing it above this level is playing electromigration lottery with GK104.

Source http://www.bit-tech.net/news/hardware/2012/10/05/nvidia-crippling-partners/1

More in my Thread here.. http://www.overclock.net/t/1313300/nvidia-forcing-voltage-locking-600-700-series-discussion-thread/0_20#post_18307977
    
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post #1787 of 7931
Quote:
Originally Posted by Hokies83 View Post

Words from the front lines on Kepler Voltage...
It appears NV confirmed with certainty GK104's voltage was set to the absolute maximum and the chip can fail if you increase voltage beyond stock voltage spec:
"We love to see our chips run faster and we understand that our customers want to squeeze as much performance as possible out of their GPUs. However, there is a physical limit to the amount of voltage that can be applied to a GPU before the silicon begins to degrade through electromigration. Essentially, excessive voltages on transistors can over time "evaporate" the metal in a key spot, destroying or degrading the performance of the chip. Unfortunately, since the process happens over time, it's not always immediately obvious when it's happening. Overvoltaging above our max spec does exactly this. It raises the operating voltage beyond our rated max and can erode the GPU silicon over time.
'In contrast, GPU Boost always keeps the voltage below our max spec, even as it is raising and lowering the voltage dynamically. That way you get great performance and a guaranteed lifetime. So our policy is pretty simple: We encourage users to go have fun with our GPUs. They are completely guaranteed and will perform great within the predefined limits. We also recommend that our board partners don’t build in mechanisms that raise voltages beyond our max spec. We set it as high as possible within long term reliability limits.
They're also leaving a bad taste in board partners' mouths: where in previous generations each company has been able to push its own cards to the limit in order to beat the competition, under Nvidia's alleged new rules all GTX 680 boards will be more or less identical in performance and features."
Now we have 100% confirmation that Kepler's GPU voltage was red-lined from the factory to the absolute safest max allowed. That means NV just officially confirmed that anyone increasing it above this level is playing electromigration lottery with GK104.
Source http://www.bit-tech.net/news/hardware/2012/10/05/nvidia-crippling-partners/1

Yea I remember you being the voice of reason in the beginning i just wanted to squeeze every drop out of my card, but in effect the 20-50mhz is NOTHING anyway.
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post #1788 of 7931
Quote:
Originally Posted by HardwareDecoder View Post

Yea I remember you being the voice of reason in the beginning i just wanted to squeeze every drop out of my card, but in effect the 20-50mhz is NOTHING anyway.

Yea but those were Just Users...

This is officially Out of the mouth of Nvidia.

I mean for those not keeping there cards and moving up to Big Kepler in March/April it is not a big deal.. But think of the people you sell your cards to...
For example My Gtx 680 Hall of fame White pcb ed would do 1350mhz.. and i ran it at 1300mhz/500 mem 24/7 on stock volts..

Guy i sold it to has to now down clock the core by 20mhz cause it crashes at stock boost speeds now.. and that was with a Heavy OC on stock volts..
Proof ---> http://forums.anandtech.com/showthread.php?t=2273143&highlight=

" Waits for Rob to Ban Evade to give his Wisdom how he knows more about GK 104 then Nvidia Does " rolleyes.gif
Edited by Hokies83 - 10/8/12 at 2:12pm
    
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post #1789 of 7931
Sounds reasonable...NV pushed the mid range kepler with some overvolting and factory oc (kepler boost?) to beat the current AMD offerings at the time of launch.
Plausible enough, and may warrant some damage to the card via electromigration if we pushed it farther.
post #1790 of 7931
Thread Starter 
Quote:
Originally Posted by HardwareDecoder View Post

no one should do the volt mod, I got tons of red screen lock ups when using it I've been back to my stock bios / max OC and not one since then.
its not worth the risk you void your warranty if they catch you and for what? 20-50mhz thats like 0 performance increase.... just my 2cents.gif
Unfortunately you are only one person and there are many things to take into consideration when things like that happen.. And since no one has come out and also said the problem was occurring for them I think its safe to say it was a problem of yours alone (not to say we can not experience it or not). It could have been your card just could not handle the extra voltage or something else along those lines. If more people come out and say such things THEN we should be worried.
Quote:
Originally Posted by Hokies83 View Post

Yea but those were Just Users...
This is officially Out of the mouth of Nvidia.
I mean for those not keeping there cards and moving up to Big Kepler in March/April it is not a big deal.. But think of the people you sell your cards to...
For example My Gtx 680 Hall of fame White pcb ed would do 1350mhz.. and i ran it at 1300mhz/500 mem 24/7 on stock volts..
Guy i sold it to has to now down clock the core by 20mhz cause it crashes at stock boost speeds now.. and that was with a Heavy OC on stock volts..
Proof ---> http://forums.anandtech.com/showthread.php?t=2273143&highlight=
" Waits for Rob to Ban Evade to give his Wisdom how he knows more about GK 104 then Nvidia Does " rolleyes.gif
Very interesting... I personally still have not had any problems with the bios on my card, at all. My max overclocks are still the same and the card does get used almost everyday in games like BF3 at 1300 core, so it is still being stressed. Lets just hope you where wrong and a bunch of broken 600's threads don't start popping up.
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