[Official] NVIDIA GTX 780 Owner's Club - Page 776 - Overclock.net - An Overclocking Community

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post #7751 of 24971 (permalink) Old 08-19-2013, 12:53 AM
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After looking at where the location of the VRMs reside I might be inclined to disagree. Apparently at least on reference cards, they are behind the intake fan where the finned section is along the back of the card. Presuming that gets decent airflow going over it from the intake fan, I would at least think they're being cooled down considerably from a case that has good cool air coming in.

Should I put a heatsink on it ? where is it exactly ?

I don't think my EK water block covers anything on the back of the card.


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post #7752 of 24971 (permalink) Old 08-19-2013, 03:11 AM
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If 1.212v is maximum what nvidia allows, consider it as safe maximum. Everything after that is gonna be playing with fire. For what you guys even need those monster overclocks @ 60hz 1080p monitor? biggrin.gif. Not to mention i bet most of the cards are throttling like crazy with 1.3v. Just my opinion tho.

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post #7753 of 24971 (permalink) Old 08-19-2013, 03:15 AM
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Originally Posted by Tonza View Post

If 1.212v is maximum what nvidia allows, consider it as safe maximum. Everything after that is gonna be playing with fire. Where you guys even need those monster overclocks @ 60hz 1080p monitor biggrin.gif. Not to mention i bet most of the cards are throttling like crazy with 1.3v. Just my opinion tho.

Yeah I agree with you on the safe max, but this is not a safe max website.
Also, 1080p 120hz and 1440p. So I will take all the juice I can get.
No throttling here. Card didn't break 40 degrees. wink.gif

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post #7754 of 24971 (permalink) Old 08-19-2013, 03:19 AM
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i have two msi twin frozr 780's, well my second one will be here soon, but i can't seem to OC at all with my current 780 on msia fterburner 14 beta, i did plus 90 on the core left everything, EVERYTHING else at default and it still crashes games... i guess some chips just dont OC well? at +50 its fine... frown.gif
Max out power target and voltage. +90 doesn't tell us much, what is the actual clock it's boosting in games and benchmarks? Your card is already factory overclocked, that may be the reason why you cannot overclock it as much as stock clocked one. Most 780's do at least 1150MHz core, pretty often 1200MHz.

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post #7755 of 24971 (permalink) Old 08-19-2013, 03:22 AM
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Yeah I agree with you on the safe max, but this is not a safe max website.
Also, 1080p 120hz and 1440p. So I will take all the juice I can get.
No throttling here. Card didn't break 40 degrees. wink.gif

Why people are then asking if its safe biggrin.gif?. Anyway use whatever you guys are comfortable with, i run mine with 1.212v.

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post #7756 of 24971 (permalink) Old 08-19-2013, 04:18 AM
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Why people are then asking if its safe biggrin.gif?. Anyway use whatever you guys are comfortable with, i run mine with 1.212v.

Because OCN seems like a good place to ask that sort of question.

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post #7757 of 24971 (permalink) Old 08-19-2013, 04:31 AM
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Anyone else in here had their card refusing to go higher in voltage? Mine doesn't want to go higher than 1.125mV even when OCing and adding +38 with precision x.
It's a classy, so tried the software tool for overvolting but that just gave me crashes instantly when trying to run 3d mark 11. The default value for my card was 0.8xxx something, just changing that with +0.080mv made it crash. Also Precision X reports I'm hitting my PT even if it's not. Was thinking maybe it's my PSU being a tad too weak so I ordered a new one which I will be picking up this friday.

What could be the issue here?


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post #7758 of 24971 (permalink) Old 08-19-2013, 04:48 AM
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Anyone else in here had their card refusing to go higher in voltage? Mine doesn't want to go higher than 1.125mV even when OCing and adding +38 with precision x.
It's a classy, so tried the software tool for overvolting but that just gave me crashes instantly when trying to run 3d mark 11. The default value for my card was 0.8xxx something, just changing that with +0.080mv made it crash. Also Precision X reports I'm hitting my PT even if it's not. Was thinking maybe it's my PSU being a tad too weak so I ordered a new one which I will be picking up this friday.

What could be the issue here?


If you used the Classified overvoltage tool, then you must cold boot your PC before precision will take over voltage control again.

Edit: Also, when using the Classified tool, you will not see the voltage change in precision. The only way to check voltage when overvolting the Classified is to use a voltmeter.

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post #7759 of 24971 (permalink) Old 08-19-2013, 04:50 AM
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If you used the Classified overvoltage tool, then you must cold boot your PC before precision will take over voltage control again.

Oh okey, so set the voltage in the tool and then shut down the computer and boot it up again (I'm assuming that's a cold boot?) As long as I don't mess with the voltage control in Precision X it'll go by the settings in the classy tool?

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post #7760 of 24971 (permalink) Old 08-19-2013, 04:55 AM
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Originally Posted by trickeh2k View Post

Oh okey, so set the voltage in the tool and then shut down the computer and boot it up again (I'm assuming that's a cold boot?) As long as I don't mess with the voltage control in Precision X it'll go by the settings in the classy tool?

Yep. So remember what ever voltage you apply via the classified tool, it will remain that even if you close the tool down. So always shutdown and boot back up when you want your 2d/3d clocks to work correctly.

I have a big bang house. I had all the materials for my new house brought in and dumped on a vacant lot. I took a stick of dynamite, lit the fuse on fire and tossed it into the pile of materials. BOOM went the explosion and when the dust settled I had a new house! Amazing isn't it?
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