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[Official] NVIDIA GTX 780 Owner's Club - Page 1748

post #17471 of 24915
Quote:
Originally Posted by Leopard2lx View Post

Looks good. My score is 23350, but my clocks are at 1240 and on Air (EVGA 780 SC ACX). thumb.gif
What do you get in Heaven?

Excuse me for asking...but how the hell did you get a 23350 in Firestrike? You got a link or screen shot of that run?

Here's Heaven...I've got a serious memory bottleneck thanks to my second card being cursed with Elpida memory whereas my first has Hynix... mad.gif


     
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post #17472 of 24915




Luckily, both my cards have Hynix memory. I'll be going under water in the next couple of months so hopefully I can increase the clocks more. Right now the top card gets hot too fast sometimes.
post #17473 of 24915
Quote:
Originally Posted by Leopard2lx View Post





Luckily, both my cards have Hynix memory. I'll be going under water in the next couple of months so hopefully I can increase the clocks more. Right now the top card gets hot too fast sometimes.


Silly me...I thought you were saying 23350 overall lol...

That's pretty good on air with those clocks though! I HAD two Hynix cards, but one literally died the first day I ran it, couldn't even handle a slight overclock and blew up so it was definitely defective...RMA'd it and got an Elpida card back mad.gif

I know both of these things are probably capable of 1400 core +...and my Hynix card has already done up to +550 memory stable, but that crappy Elpida card can only go +240 MAX on the memory. Once I hit 1370 core on both, the memory starts to bottleneck them and no matter what I do, bench scores peak there and won't go any further.
Edited by hoevito - 2/9/14 at 1:31am
     
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post #17474 of 24915
Quote:
Originally Posted by hoevito View Post

Silly me...I thought you were saying 23350 overall lol...

That's pretty good on air with those clocks though! I HAD two Hynix cards, but one literally died the first day I ran it, couldn't even handle a slight overclock and blew up so it was definitely defective...RMA'd it and got an Elpida card back mad.gif

I know both of these things are probably capable of 1400 core +...and my Hynix card has already done up to +550 memory stable, but that crappy Elpida card can only go +240 MAX on the memory. Once I hit 1370 core on both, the memory starts to bottleneck them and no matter what I do, bench scores peak there and won't go any further.

Nice results thumb.gif

May I ask how much vcore do your cards need for those 1380 and what are the ASICs of the cards? Also, what are the temperatures? (Since you are under water I guess they are low smile.gif)

Did you test them @air? What were the temperatures after gaming when leaving everything @stock?

My MSI GTX 780 Gaming also has Elpida memory but I can go as high as +375. So I guess elpida is not in general crappy, I bet there are Elpida cards out there that can go even higher than Hynix/Samsung ones.
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post #17475 of 24915
Quote:
Originally Posted by Mysterion90 View Post

Nice results thumb.gif

May I ask how much vcore do your cards need for those 1380 and what are the ASICs of the cards? Also, what are the temperatures? (Since you are under water I guess they are low smile.gif)

Did you test them @air? What were the temperatures after gaming when leaving everything @stock?

My MSI GTX 780 Gaming also has Elpida memory but I can go as high as +375. So I guess elpida is not in general crappy, I bet there are Elpida cards out there that can go even higher than Hynix/Samsung ones.


My Hynix card has an ASIC of 69.7 and the Elpida card's is 77.9. The Elpida card typically uses about .01 less volts at a given clock speed, but I have both running between 1.34 and 1.37 volts to get those clocks, although they could probably get away with using a little less. Under water, I've never had them exceed 52 degrees at that those clocks and voltage, but on air they could boost up to 1290-1300 core using the stock bios at 1.21 volts for short periods...but would fall back to around 1215-1260 and fluctuate from there. Running the skynet bios, I could get them both stable on air in SLI at 1240 core but that was as far as they got on air, as the temps of the tops card would frequently hit 85+ after gaming for awhile. When pushed past that, the top card would touch 90 which was just a little too high for my tastes, plus it got annoyingly loud and literally would start warming up the room.

Clocked individually however, my Hynix card has been taken up to 1390 core and +550 memory. It could do more but the Elpida card is holding it back when SLI is turned on. The Elpida card can also do really high core clocks but is limited on the memory overclock. I don't doubt there's some decently clocking Elpida cards out there, but the vast majority of them do not perform as well as Hynix/Samsung apparently...and once you start getting 1300+ on the core, if you don't clock the memory equally high, it's starts bottlenecking pretty badly.

Since I've gone under water, I run both at 1250 core, +240 memory. Temps never exceed 48 degrees and voltage is kept at 1.24 volts. Keeps me over 100+ fps pretty consistently on 1440p@110hz at pretty much everything smile.gif
Edited by hoevito - 2/9/14 at 3:09am
     
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post #17476 of 24915
fire ...·
post #17477 of 24915
Quote:
Originally Posted by SturmZ View Post

My Zotac AMP! 780 reaches 1185mhz on boost clock @ stock, 86,1% ASIC quality. Great clocker but it seems i'm reaching a power limit bottleneck since after 1254mhz oc it keeps underclocking to 1244/1228mhz during heaven after some time (65c max temp). Looking foward to that custom bios, team skyn3t! thumb.gif

What is the Max power limit for this card in Afterburner with the stock bios?
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post #17478 of 24915
Any one using the Gigabyte GTX 780 Ghz Edition? This cards should be using the B1 chip but all the reviews I read that this card is not doing well in overclocking as it is already maxed, maybe +40 ~ 50mhz offset more over the stock.
This card accepts the volt mod?
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post #17479 of 24915
Quote:
Originally Posted by boldenc View Post

Any one using the Gigabyte GTX 780 Ghz Edition? This cards should be using the B1 chip but all the reviews I read that this card is not doing well in overclocking as it is already maxed, maybe +40 ~ 50mhz offset more over the stock.
This card accepts the volt mod?
i have gigabyte 780oc running 1006mhz with 1084mhz boost 2 i believe. never tried to OC it tough smile.gif i think its already fast enough, and right now i am cpu bottlenecked, where are you my dear dear 5930k, i am waiting on you for so long tongue.gif
post #17480 of 24915
Quote:
Originally Posted by boldenc View Post

Any one using the Gigabyte GTX 780 Ghz Edition? This cards should be using the B1 chip but all the reviews I read that this card is not doing well in overclocking as it is already maxed, maybe +40 ~ 50mhz offset more over the stock.
This card accepts the volt mod?

Partially! You can try the volt mod as it has the NCP4208 voltage controller! Still its a hit or a miss! rolleyes.gif
But LLC hack control wont work properly with NCP4208, it may lead to crashes, freezes and reboots!


Cheers

Ed

(Team skyn3y)
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