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[Official] NVIDIA GTX 780 Owner's Club - Page 1749

post #17481 of 24915
Quote:
Originally Posted by hoevito View Post

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

Thanks for sharing info. smile.gif

Did you ever test one of the cards seperatly without SLI? If so, what were the temps?

Just curious, what is the temperature you find acceptable? (This question goes to all here)

I'm kind of fussy and like my card to stay <= 65°C. I know that 75-80°C are not that of a problem for a modern GPU but I just feel more comfortable when my card stays below or at that 65°C threshold.
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post #17482 of 24915
Quote:
Originally Posted by boldenc View Post

What is the Max power limit for this card in Afterburner with the stock bios?

106%, if you are looking for high out of the box OC i suggest u to look for the 780 AMP!, with the new stock zotac bios they are rocking ~1150mhz and they come with hynix memory (at least mine and of a few friends did)

http://hexus.net/tech/reviews/graphics/59857-zotac-geforce-gtx-780-amp-edition-updated/
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post #17483 of 24915
Im about to buy a 780 but i was wondering I can get a reference 780 for 450 or i can get the ASUS GTX780-DC2OC-3GD5 for 490 is the asus worth the extra 40 dollars ?










Update i went with the Asus cause it just has way better features..

1. Custom 10 layer PCB
2. 10mm main heat pipe and all heat pipes are in direct contact with GPU
3. Card reinforcement and full back plate
4. Upgraded power regulation with super alloy 5k caps, 8 super alloy chokes and to many mosfets to count.
5. Voltage-monitoring points (LED)
6. Easily removable cooler for water cooling blocks
7. Impeller fan design to both push cool air over the cooler while pulling hot air out from the cooler.
8. Samsung memory instead of Elpida
Edited by blackhole2013 - 2/9/14 at 6:08pm
post #17484 of 24915
@anyone who purchased the asus direct cu ii; was the box sealed when you received your card; i.e shrink wrap/seal on the flap? Just wondering if I received an open box item from the egg.
post #17485 of 24915
Quote:
Originally Posted by Mysterion90 View Post

Thanks for sharing info. smile.gif

Did you ever test one of the cards seperatly without SLI? If so, what were the temps?

Just curious, what is the temperature you find acceptable? (This question goes to all here)

I'm kind of fussy and like my card to stay <= 65°C. I know that 75-80°C are not that of a problem for a modern GPU but I just feel more comfortable when my card stays below or at that 65°C threshold.


I sure did! The lower ASIC Hynix card would usually get to around 68-70 degrees when overclocked, and the higher ASIC Elpida card would always seem to run between 2-3 degrees cooler even at the same clocks, as it required a little less voltage.

SLI was another story though...the bottom card would always stay around 68-70 and the top card no matter what I tried would nor how many case fans I added would hover around the mid 80's when lightly overclocked and occasionally touch 90 when going all out. The noise this brought on just to keep them cool was the worst part, as the temps were to be expected honestly from what I learned over time...but the top card typically had to run it's fans at 100% in order to keep temps from creeping into the mid-high 80's.

I also understand that running 85 degrees won't kill the card but nonetheless I consider that a tad too high considering the noise involved and the additional wear and tear I know it's experiencing due to the high temps. I'm very much happy now since going under water, as neither card goes over 52-53 degrees even when both are clocked in excess of 1.38 volts/1380mhz on the same loop in series
     
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post #17486 of 24915
Quote:
Originally Posted by blackhole2013 View Post

Im about to buy a 780 but i was wondering I can get a reference 780 for 450 or i can get the ASUS GTX780-DC2OC-3GD5 for 490 is the asus worth the extra 40 dollars ?










Update i went with the Asus cause it just has way better features..

1. Custom 10 layer PCB
2. 10mm main heat pipe and all heat pipes are in direct contact with GPU
3. Card reinforcement and full back plate
4. Upgraded power regulation with super alloy 5k caps, 8 super alloy chokes and to many mosfets to count.
5. Voltage-monitoring points (LED)
6. Easily removable cooler for water cooling blocks
7. Impeller fan design to both push cool air over the cooler while pulling hot air out from the cooler.
8. Samsung memory instead of Elpida

Except DCII is limited to 1.212V, and reference can be pushed much further.

post #17487 of 24915
I do not understand why Afterburner has that whole expiration crap.
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post #17488 of 24915
Quote:
Originally Posted by MxPhenom 216 View Post

I do not understand why Afterburner has that whole expiration crap.


To annoy its users.

post #17489 of 24915
I'm still not sure what custom BIOS I need to disable GPU boost. EVGA reference, BIOS is 80.10.3A.00.82 (P2083-0020). Thanks!
post #17490 of 24915
Quote:
Originally Posted by blackhole2013 View Post

Im about to buy a 780 but i was wondering I can get a reference 780 for 450 or i can get the ASUS GTX780-DC2OC-3GD5 for 490 is the asus worth the extra 40 dollars ?










Update i went with the Asus cause it just has way better features..

1. Custom 10 layer PCB
2. 10mm main heat pipe and all heat pipes are in direct contact with GPU
3. Card reinforcement and full back plate
4. Upgraded power regulation with super alloy 5k caps, 8 super alloy chokes and to many mosfets to count.
5. Voltage-monitoring points (LED)
6. Easily removable cooler for water cooling blocks
7. Impeller fan design to both push cool air over the cooler while pulling hot air out from the cooler.
8. Samsung memory instead of Elpida

Should have gotten the Evga 780 Classified.
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