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[Official] NVIDIA GTX 780 Owner's Club - Page 2481

post #24801 of 24924
My 780 has Elpida and I run the memory at 1602\6408Mhz. I'm not sure more than 290-310GB/s in bandwidth is necessary with a 780. Only time I would worry about memory clocks is on a 128\192 Bit card.
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post #24802 of 24924
TBH, there's very little to gain in Memory clocks with these cards.

Elpida really doesn't clock so well. 1625MHz tops.

But, I love them Elpida cards. You can push them hard on the cores! Always +25MHz higher than either Hynix or Samsung cards. biggrin.gif

Funny fact, I have 290/Xs. The cards with Elpida Memory are always clocking the core higher than Hynix and Samsung cards too.
Edited by mus1mus - 8/16/16 at 10:12pm
post #24803 of 24924
Quote:
Originally Posted by 7ha7a5ian View Post

So I have two Asus GTX 780 DCII 3gb cards. One has SK Hynix and the other has Elpida. Elpida being the lesser brand with lower clocks and higher heat. CRAZY question but has anyone dealt with replacing the memory on their graphics card?? I've seen people bake cards to resolder all connections from a dead card and I've seen someone use a heat gun to remove chips from different boards. I'm intrigued....

I have seen a person convert a 980M to a 980 desktop, by switching the actual GPU core.

I'm sure it can be done, but you are WAY better off selling the card and buying one with the Hynix memory.
Quote:
Originally Posted by TheScorpio32 View Post


i think my card has won the worst silicon lottery, it barely hits above 1200Mhz, its An EVGA GTX 780 SC edition with skynet bios V4, watercooled of course, I find myself dialing in new clocks every few months because i think its slightly degrading overtime, Ive decided to try and find the new sweet spot now instead of bumping voltage every so often.

The last OC ive done atm is: (http://www.3dmark.com/fs/9773159)
Core clock: 1,228 MHz
Memory clock: 1,576 MHz
at 1.28v and i dont think it is stable, i can benchmark 3dmark, heaven, but can never go through the stability test of 3dmark

it used to be

Core clock: 1,241 MHz
Memory bus clock: 1,606 MHz
i dont remember the voltages honestly.

If i could get 1300 that would be sweet

Trying at the moment to find the new sweetspot, would be nice if you could guide me maybe I might be doing something wrong
Temps are always fine, i think highest would be 55ish
I should probably lower the memory and go for the core clock, eh

Maybe I hit the lottery with my HOF but I can get 1306 stable on 1.2V and my Elpida memory to 1620 (haven't tried any higher since the performance didn't increase). Mine is aircooled with a prolimatech mk 26 and the temps stay below 60C for the most part. Sounds like your card has been degrading a bit over time.
post #24804 of 24924
Quote:
Originally Posted by DRKreiger View Post

I have also seen this from a custom bios flash. If the clocks are crazy high, or if the flash went bad. Try different cables, montors/TV's, and try to insert it as a secondary device if you have a motherboard that will accept a 2nd video card.

If you can install it as a secondary, then try to see if you can install drivers, check the card's information with GPUZ. Here you can see if all the vendor info, and Bios version are correct.

I would try this if you have the means to do so before baking. THIS IS ALWAYS A LAST RESORT!!!

Thanks. i had not thought to try it as a secondary card. like an overkill physx unit or something. I am using all the same hardware except for the graphics card now. Same MB, monitor, cables ect. Got my previous card which is also Nvidia. I still have a BIOS rom i saved from the GTX 780 using GPU-Z.
I must admit i have not had success when attempting to flash a Diamond HD 6870 with another tool for ATi/AMD cards. It still worked but i did not get the desired results.
post #24805 of 24924
Quote:
Originally Posted by TheScorpio32 View Post


i think my card has won the worst silicon lottery, it barely hits above 1200Mhz, its An EVGA GTX 780 SC edition with skynet bios V4, watercooled of course, I find myself dialing in new clocks every few months because i think its slightly degrading overtime, Ive decided to try and find the new sweet spot now instead of bumping voltage every so often.

The last OC ive done atm is: (http://www.3dmark.com/fs/9773159)
Core clock: 1,228 MHz
Memory clock: 1,576 MHz
at 1.28v and i dont think it is stable, i can benchmark 3dmark, heaven, but can never go through the stability test of 3dmark

it used to be

Core clock: 1,241 MHz
Memory bus clock: 1,606 MHz
i dont remember the voltages honestly.

If i could get 1300 that would be sweet

Trying at the moment to find the new sweetspot, would be nice if you could guide me maybe I might be doing something wrong
Temps are always fine, i think highest would be 55ish
I should probably lower the memory and go for the core clock, eh

Are you updating Nvidia drivers with each new one that arrives? I've experienced driver issues where for one update my cards could reach a decent clock then when a new driver would emerge I would download and update and experience instabilities with my previous clock speeds. I think this is due to nvidia trying to keep up with every single new game but overall changing previous performance of their last driver. When the first GTX 1080 Founder Edition cards came out there was a driver released with an update to support them that gave me some headroom to work with. Then they had a follow up driver that made me change a few things (lowering my clock speeds a bit) to keep things stable. Anyone else catch this or am I just crazy?
post #24806 of 24924
Quote:
Originally Posted by mus1mus View Post

Don't worry, I got you covered. smile.gif

Single card:
http://www.3dmark.com/3dm11/11424706

Though, the statement was intended for the DC2 rather than my scores. There are better clocking cards, sure. But these cards can handles what I have thrown them.

Voltages are high. Let's just say, very high. tongue.gif

Still kicking meh butt with that CPU haha support! 4.9Ghz is a beast!
http://www.3dmark.com/3dm11/11503908
post #24807 of 24924
quick question: I got a Palit SuperJetStream GTX780 and ordered another Palit JetStream GTX780 and they are running (in my opinion) fine in SLI. Are these pcb´s the same? I hope so if not I got a problem.
post #24808 of 24924
You can just check it can't you?
post #24809 of 24924
Quote:
Originally Posted by erso44 View Post

quick question: I got a Palit SuperJetStream GTX780 and ordered another Palit JetStream GTX780 and they are running (in my opinion) fine in SLI. Are these pcb´s the same? I hope so if not I got a problem.

Any 780 will run in sli with each other at the lowest clocked card. A 780ti will not though.
post #24810 of 24924
Hello,
I have a Asus GTX780 DCUII OC. I have a full water block on it and temps barely reach 50C at most.
I wondered:

- Are the tutorials on the first page still up to date and usable ? Or is there new tools or whatever that's are better to use ?

- How much gain in performance can I expect from OCing my gpu by flashing the bios and pushing the voltage above default limits ? Is it worth the hassle ?

Thank you !
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Main pc
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i7 7700k Z270F Strix Asus GTX 780 DC II OC HyperX  
Hard DriveHard DriveOptical DriveCooling
Evo 960 256Gb M.2 Caviar Blue 1Tb x2 Samsung EK Supremacy Acetal 
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Windows 10 64bits BenQ 1920 x 1080 Logitech G105 Seasonic x 560 
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