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GTX 780 - 1187mv Max Voltage

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DaRkL3AD3R
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 18:30:33 (permalink)
jpearson79

zenfoldor

Let me throw a couple of facts in about my particular case:

I have flashed from Jacobs thread to the SC ATX 780 firmware and am experiencing this issue. I didn't test this before the flash. If anyone else has flashed this bios and is able to reach 2000mv, then the issue is with my card. Please before confirming, make sure we are discussing the SC ATX 780 version of the new firmware as each version of the card has different firmware files and are not identical.

I can run 1188mhz OC @ 1187mv, but my card will not go beyond 1187mv.


I flashed my SC ACX with the updated official bios and I can still only top out at 1.187mv. I also tried enabling k-boost, no impact. Your card shouldn't be destroyed by enabling k-boost or adding +38mv.  Oh well. I will get over it. I can't complain if I'm stable at 1150mhz running "only" at 1.187mv rather than 1.2, that's a plus as someone else mentioned. I'd be uncomfortable keeping my 24/7 clocks any higher anyway.  I'm done with this and decided its time to just have fun / game on, I suggest you all do the same as long as your card is clocking in at advertised specs.

 
Same for me after flashing the updated BIOS from these forums. Nothing changed. I just don't get it :/

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#61
Rei86
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 18:33:54 (permalink)
umm that wasn't a BIOS, it was a firmware update for compatibility I thought...

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#62
Acesi7
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 18:38:55 (permalink)
Really guys?
 
Let it go... Much like people who 'bench' cards. It's quite simple.
 
If this cards doesn't do what you want it to, sell it and buy another one. This close to release date you won't lose all that much money. On the next card you may very well get one that does what you want.
 
As far as RMA is concerned...
You want EVGA to take back a card that performs exactly as specified (Note: EVGA does not guarantee voltages) for clock speed, memory speed and would benchmark close to identically to every other card at stock?
 
I understand your disappointment, truly I do. However, this is not the right way to go about fixing it. Simply buy another card, sell this one and accept your losses. No-one is going to guarantee anything past being able to achieve what's printed on the box.
 
I'm buying some cards from EVGA when the Classified HC's come out and I hope they perform well, but if they don't. I'll simply order another one and put the 'under performer' on the FS section.
 
No need to go to such extremes for such a small issue, there will be many people out there who have no issues running a card at stock, you won't have any issues selling the card on.

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#63
theonedub
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 18:39:02 (permalink)
Rei86

umm that wasn't a BIOS, it was a firmware update for compatibility I thought...

 
Not sure if serious...

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#64
Rei86
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 18:48:07 (permalink)
theonedub

Rei86

umm that wasn't a BIOS, it was a firmware update for compatibility I thought...


Not sure if serious...

 
Well a BIOS is a Basic Input/Output System...nvm.
 
Anyways not supported by EVGA and only do it at your own risk but you can flash your GTX 780 to the TI Bios.  It gets rid of Boost and allows for fully control of OCing.
 
http://forum.techinferno....es-modified-vbios.html
 
Might get you another 10~100mhz at the core...however if your card is a dud..its a dud.
post edited by Rei86 - 2013/06/02 18:51:09

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#65
Celeras
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 19:03:55 (permalink)
DaRkL3AD3R

Celeras

How many people have to tell you before you get it? 1.200mv is an overvoltage attained by OVERCLOCKING. Just because it's the theoretical spec-sheet maximum does not mean your card will be capable of it.


Really? So if I take my 3770k clock it at 3.5Ghz and apply 1.3v to it, that's overclocking? And I got lucky with the silicon lottery that I am allowed to volt my i7 to 1.3v?

No. That's not how the "silicon lottery" works.

 
Does your 3770k automatically increase the clockspeed if you increase the available voltage? Because your 780 does. Yes, that's called overclocking.
 
You're really thick and unwilling to listen to reason, even when the voice is from the company you purchased the card from. You cannot pick a set voltage using GPU boost, the card does that dynamically. You got a card that does not accept 1.200v, and yes that's exactly how the silicon lottery works. I won't waste any more time trying to get through to you.
post edited by Celeras - 2013/06/02 19:09:32


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DaRkL3AD3R
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 19:12:34 (permalink)
Celeras
Does your 3770k automatically increase the clockspeed if you increase the available voltage? Because your 780 does. Yes, that's called overclocking.

You're really thick and unwilling to listen to reason, even when the voice is from the company you purchased the card from. You cannot pick a set voltage using GPU boost, the card does that dynamically. You got a card that does not accept 1.200v, and yes that's exactly how the silicon lottery works. I won't waste any more time trying to get through to you.

 
If you bothered to read my posts after the one you quoted you would know what I'm after right now. It would put this whole thing to rest. What are you going to say when I flash a BIOS that runs my card at 1.2v and everythings fine? No instabilities or problems? You still going to tell me I'm thick headed and verbally assault me?
 
And to Acesi7, nobody is looking to RMA their card over this.

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zenfoldor
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 19:45:42 (permalink)
Rei86

theonedub

Rei86

umm that wasn't a BIOS, it was a firmware update for compatibility I thought...


Not sure if serious...


Well a BIOS is a Basic Input/Output System...nvm.

Anyways not supported by EVGA and only do it at your own risk but you can flash your GTX 780 to the TI Bios.  It gets rid of Boost and allows for fully control of OCing.

http://forum.techinferno....es-modified-vbios.html

Might get you another 10~100mhz at the core...however if your card is a dud..its a dud.


I will throw in that it might be a dud for top benchmarking, but 1150mhz is fine for gaming and not a "dud" in that sense. It'll perform just the same as the other cards at that clock speed. A gaming "dud" would be a card that crashed all the time because of bad memory and that would be worth RMA. 50mhz clock isn't gonna be very significant in practical gaming in most cases, AND it would probably actually benefit the casual enthusiast(oxymoron) who mostly uses their rig for gaming and light forum posting, since there is no need to bleeding edge k-boost the card when your posting on a forum or playing WoW.
 
As for me, I'm satisfied with my card @ 1188mhz even though my voltage is limited. I think it would be silly to attempt RMA and I don't think anyone who understand this would attempt that.
 
However, I would like to see someone experiment with some 3rd party bios who is not afraid of such things, just for my own curiosity. When this question is asked inevitably 1000 more times over the next year, I'd like to have a complete understanding of the issue, beyond what we know now, which is very little. The primary thing I would like to find out is are these cards which are limited, capable of performing @ 1200mv with a bios adjustment, and if so are they performing solidly or instead are they crashing on average?

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Rei86
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 20:00:35 (permalink)
zenfoldor

Rei86

theonedub

Rei86

umm that wasn't a BIOS, it was a firmware update for compatibility I thought...


Not sure if serious...


Well a BIOS is a Basic Input/Output System...nvm.

Anyways not supported by EVGA and only do it at your own risk but you can flash your GTX 780 to the TI Bios.  It gets rid of Boost and allows for fully control of OCing.

http://forum.techinferno....es-modified-vbios.html

Might get you another 10~100mhz at the core...however if your card is a dud..its a dud.


I will throw in that it might be a dud for top benchmarking, but 1150mhz is fine for gaming and not a "dud" in that sense. It'll perform just the same as the other cards at that clock speed. A gaming "dud" would be a card that crashed all the time because of bad memory and that would be worth RMA. 50mhz clock isn't gonna be very significant in practical gaming in most cases, AND it would probably actually benefit the casual enthusiast(oxymoron) who mostly uses their rig for gaming and light forum posting, since there is no need to bleeding edge k-boost the card when your posting on a forum or playing WoW.

As for me, I'm satisfied with my card @ 1188mhz even though my voltage is limited. I think it would be silly to attempt RMA and I don't think anyone who understand this would attempt that.

However, I would like to see someone experiment with some 3rd party bios who is not afraid of such things, just for my own curiosity. When this question is asked inevitably 1000 more times over the next year, I'd like to have a complete understanding of the issue, beyond what we know now, which is very little. The primary thing I would like to find out is are these cards which are limited, capable of performing @ 1200mv with a bios adjustment, and if so are they performing solidly or instead are they crashing on average?

 
Its a dud in the sense that even if you flash a BIOS and you can't get higher clocks.  Seeing it all the time in the Titan/780 forums.  People flashing BIOS here and there and getting nothing.  Same for the 680 series. 
 
Anyways if the OPs card is getting 1150mhz that is fine...I really see no issue with it.  Unless EVGA is marketing that the 780 cards will hit 1.2V as max than we really don't have a case. 

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#69
jlp209
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 20:10:18 (permalink)
zenfoldor 

However, I would like to see someone experiment with some 3rd party bios who is not afraid of such things, just for my own curiosity. When this question is asked inevitably 1000 more times over the next year, I'd like to have a complete understanding of the issue, beyond what we know now, which is very little. The primary thing I would like to find out is are these cards which are limited, capable of performing @ 1200mv with a bios adjustment, and if so are they performing solidly or instead are they crashing on average?

 
I did try TI modded bios. My card is capable of performing at 1.200mv with a bios adjustment and is perfectly stable at 1150-1180mhz. The highest stable clock for me is 1202mhz but I need 1.212mv to do it, which I don't want to use. I crash at 1215mhz. I'm back on stock bios because it really isn't worth it, but to answer your question yes mine works at 1.200mv. Tinker at your own risk if you want to see what your card is truly capable of.
post edited by jpearson79 - 2013/06/02 20:12:45

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zenfoldor
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 20:20:09 (permalink)
jpearson79

zenfoldor 

However, I would like to see someone experiment with some 3rd party bios who is not afraid of such things, just for my own curiosity. When this question is asked inevitably 1000 more times over the next year, I'd like to have a complete understanding of the issue, beyond what we know now, which is very little. The primary thing I would like to find out is are these cards which are limited, capable of performing @ 1200mv with a bios adjustment, and if so are they performing solidly or instead are they crashing on average?


I did try TI modded bios. My card is capable of performing at 1.200mv with a bios adjustment and is perfectly stable at 1150-1180mhz. The highest stable clock for me is 1202mhz but I need 1.212mv to do it, which I don't want to use. I crash at 1215mhz. I'm back on stock bios because it really isn't worth it, but to answer your question yes mine works at 1.200mv. Tinker at your own risk if you want to see what your card is truly capable of.

 
Great info, thanks for sharing! :)


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zenfoldor
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Re:GTX 780 - 1187mv Max Voltage 2013/06/02 20:21:50 (permalink)
Rei86

zenfoldor

Rei86

theonedub

Rei86

umm that wasn't a BIOS, it was a firmware update for compatibility I thought...


Not sure if serious...


Well a BIOS is a Basic Input/Output System...nvm.

Anyways not supported by EVGA and only do it at your own risk but you can flash your GTX 780 to the TI Bios.  It gets rid of Boost and allows for fully control of OCing.

http://forum.techinferno....es-modified-vbios.html

Might get you another 10~100mhz at the core...however if your card is a dud..its a dud.


I will throw in that it might be a dud for top benchmarking, but 1150mhz is fine for gaming and not a "dud" in that sense. It'll perform just the same as the other cards at that clock speed. A gaming "dud" would be a card that crashed all the time because of bad memory and that would be worth RMA. 50mhz clock isn't gonna be very significant in practical gaming in most cases, AND it would probably actually benefit the casual enthusiast(oxymoron) who mostly uses their rig for gaming and light forum posting, since there is no need to bleeding edge k-boost the card when your posting on a forum or playing WoW.

As for me, I'm satisfied with my card @ 1188mhz even though my voltage is limited. I think it would be silly to attempt RMA and I don't think anyone who understand this would attempt that.

However, I would like to see someone experiment with some 3rd party bios who is not afraid of such things, just for my own curiosity. When this question is asked inevitably 1000 more times over the next year, I'd like to have a complete understanding of the issue, beyond what we know now, which is very little. The primary thing I would like to find out is are these cards which are limited, capable of performing @ 1200mv with a bios adjustment, and if so are they performing solidly or instead are they crashing on average?


Its a dud in the sense that even if you flash a BIOS and you can't get higher clocks.  Seeing it all the time in the Titan/780 forums.  People flashing BIOS here and there and getting nothing.  Same for the 680 series. 

Anyways if the OPs card is getting 1150mhz that is fine...I really see no issue with it.  Unless EVGA is marketing that the 780 cards will hit 1.2V as max than we really don't have a case. 


I'm not sure what the max voltage claims are. On everything else I'm in 100 percent agreement with you.

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DaRkL3AD3R
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 10:44:45 (permalink)
jpearson79
modded bios. My card is capable of performing at 1.200mv with a bios adjustment and is perfectly stable at 1150-1180mhz. The highest stable clock for me is 1202mhz but I need 1.212mv to do it, which I don't want to use. I crash at 1215mhz. I'm back on stock bios because it really isn't worth it, but to answer your question yes mine works at 1.200mv. Tinker at your own risk if you want to see what your card is truly capable of.

 
Well that answers that huh? Obvious BIOS cap. Now the only remaining thing to find out is if a stock 780 BIOS that runs 1.2mv will bring it to a card that doesn't do it at stock. I'm assuming at this point it will.

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#73
faustfict
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 16:22:44 (permalink)
DaRkL3AD3R

theonedub

I hit 1.2v with +38. Have a stock BIOS 780 Vanilla.


Great lol so now my card, which I paid the same as you did for, is worse than yours? Nice.

It's probably like the Titans, it depends on teh quality of your chip, some can hit 1.2, some cannot. Just luck of draw, 1.2 is the max voltage it can reach but it's not a promised voltage.
 
 

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#74
jsarver101
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 17:35:16 (permalink)
buy a second card and use it as your primary in sli. problem solved.


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#75
Husky_
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 22:24:25 (permalink)
I just got mine today. It's a GTX 780 SC.
 
I can use +140mhz core clock and +300mhz memory clock.
 
Anything above 140mhz I get crash in Unigine Heaven.
 
But I think mine is perfect as it reaches 1254mhz on heaven and metro last light benchmarks.
 
My ASIC quality is 78.5% though :D
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redband84
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 23:30:06 (permalink)
Someone help me understand the relation between voltage and MHz.
 
With 0 overvoltage I can reach the same MHz as with +38mV, but I have to put my offset higher. What's the difference between reaching a certain amount of MHz with and without overvoltage? Is one more stable than the other?
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Husky_
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Re:GTX 780 - 1187mv Max Voltage 2013/06/03 23:39:15 (permalink)
Increasing the voltage help increase stability.
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redband84
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Re:GTX 780 - 1187mv Max Voltage 2013/06/04 00:11:11 (permalink)
Iorveth

Increasing the voltage help increase stability.

 
Thanks. I also think I answered my own question. I can get higher MHz with lower offset when using overvoltage. More for less.

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dukenuke88
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 12:03:51 (permalink)
Iorveth

I just got mine today. It's a GTX 780 SC.

I can use +140mhz core clock and +300mhz memory clock.

Anything above 140mhz I get crash in Unigine Heaven.

But I think mine is perfect as it reaches 1254mhz on heaven and metro last light benchmarks.

My ASIC quality is 78.5% though :D

 
are you able to go 1200mv on the voltage?  or 1187mv like these other guys?
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dave0413
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 13:13:38 (permalink)
I got reference vanilla card with blower. I can only get 1187mv as well with +38.
I got a ASIC of 86.7%. Might try to OC a little more later.




  
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DaRkL3AD3R
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 13:26:37 (permalink)
dave0413

I got reference vanilla card with blower. I can only get 1187mv as well with +38.
I got a ASIC of 86.7%. Might try to OC a little more later.


 
Thanks for posting. This is more proof that this problem is not tied to the "silicon lottery" that people have bashed me. It's got to be a bug in the BIOS file. I really wish someone with a reference 780 could dump their 1200mv BIOS so we can be done with this issue...

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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 14:44:11 (permalink)
http://www.guru3d.com/articles_pages/evga_geforce_gtx_780_sc_acx_review,6.html
 
The guys at Guru3d explain the voltage cap a little.  Interesting in their sample the voltage was capped to 1162mV.  Seems this is entirely up to NVidia's partners to set the maximum allotted voltage. 
 
I do agree with you guys however, as this shouldn't matter depending on OC ability from card to card.  Some cards will OC high, others won't.  So why restrict the maximum core voltage PER card?
 
The only thing I can think of is to prevent the "weaker" cards from potentially OC'ing (or "boosting") outside of their stable thresholds.  However I can't see this happening. 
 
My GTX 780 SC ACX will be here Friday.  Will let you guys know if I got a winner!  This is like playing the lottery haha.  Do you guys think those cards that are capped at 1187mV will achieve lower clocks in general at a given voltage opposed to the 1200mV capped cards?  There has to be a logical explanation to this.  If the cards will never boost to over 1187 then why the "artificial" cap?

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#83
FscuderiaX
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 15:15:21 (permalink)
Looks like some people are running modded BIOS' already:
 
http://www.techinferno.com/downloads/?did=62
 
Who has the biggest balls?

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#84
DaRkL3AD3R
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 16:12:21 (permalink)
Yeah we already know about the modded BIOS. It's been confirmed in this very thread that it does work for those with lower voltage caps, that the modded BIOS allows them to bypass the cap.
 
My thing is the stock BIOS for all reference 780's should allow 1200mv no matter what. If it works, it works. If it doesn't THEN the whole silicon lottery thing can be said. I mean, it's not like you're guaranteed to get that 1200mv VID stable so that's on you to find out. I don't want to have my hand held by an OEM telling me I'm not allowed to try...

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#85
DeadPhoenix86
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 17:08:57 (permalink)
it seems my voltages are on the low side too.
 


 
#86
X_ArkangeL_X
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 17:34:20 (permalink)
Your volts are fine they're just talking about how they can't overvolt their cards to 1.2. If u want higher volts then overvolt it but it seems fine to me.

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jerzeeloon
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 17:39:46 (permalink)
I just received my evga 780 w/ stock cooler. I was amazed at how well this overclocked. I already have 1200mhz boost clock with temps not ever really going over 74° and usually in the 60's.by comparably my former gtx 680 sli setup neither card would go past +40mhz stable. And temps were usually 61°and 62° respectively never getting over 70°

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#88
DeadPhoenix86
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 17:40:02 (permalink)
X_ArkangeL_X

Your volts are fine they're just talking about how they can't overvolt their cards to 1.2. If u want higher volts then overvolt it but it seems fine to me.

actually when i overvolted it with +38v it was around 1.187 for both.

 
#89
X_ArkangeL_X
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Re:GTX 780 - 1187mv Max Voltage 2013/06/05 17:42:50 (permalink)
Then u must be having the same problem as them.. Odd

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