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[Official] NVIDIA GTX 780 Ti Owner's Club - Page 841

post #8401 of 16490
Quote:
Originally Posted by Chronic1 View Post

Has he ever tried using Skyn3t's reference 780ti vBios with PrecisionX set to 1.212v to see how high he can get? As of right now, for my card at least. Its looking like that is going to be my best option.

He said he used it but it sucked for memory OC so he went back to stock

Edit: Id like to see people on water test this, we seem to have a few people who can use it, and some who cant.

Btw what do your artifacts look like, could you possibly screen cap it?
Edited by Agent-A01 - 3/5/14 at 5:36pm
post #8402 of 16490
Well Its not looking too good. I'd stress to everyone here in the forums to just stick with PrecisionX and skyn3t vbios for 1.212v on your reference 780ti. This method does not work for me and all agent can say is "well my friend got it working" I have tested it thoroughly with stock bios and skyn3t bios and here is a video of the results.


Voltage overlay is top left of the screen. I used msi afterburner + RTSS to display voltage and core clock since that is all we need to see. Memory clock was left at stock in both tests. Card is liquid cooled. Card is also a golden one. Able to hit 1435mhz in Valley bench @ 1.212v.
Edited by Chronic1 - 3/5/14 at 6:11pm
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post #8403 of 16490
all this over .04 volts? not worth it. stick with skyn3t.
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post #8404 of 16490
Yea and I've tried higher and the artifacting only gets worse. At 1.3v my screen was a mess I thought it was going to crash. It acts as if it is lowering the voltage instead of increasing it.
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post #8405 of 16490
Quote:
Originally Posted by Agent-A01 View Post

He said he used it but it sucked for memory OC so he went back to stock

Edit: Id like to see people on water test this, we seem to have a few people who can use it, and some who cant.

Btw what do your artifacts look like, could you possibly screen cap it?

I am on water and did some cold testing (10C coolant temp - 18-20C loaded gpu temp) and I could run 1398mhz in Valley with no artifacts. Same with 3Dmark'11, but for some reason 3DMark would crash on the Firestrike PhysX test, but no artifacts in Firestrike. This is all at 1.212v. Using any type of voltage control in AB would cause instant instability.

The rest of my system is a bit dated but it still gets along pretty well! This seems like a great card considering the voltage. Looking forward to some future testing at 1.3v or so once it gets sorted out.

Attached is at 1385 / 3750, room temp, 30C fully loaded. No artifacts.
post #8406 of 16490
Quote:
Originally Posted by Chronic1 View Post

Well Its not looking too good. I'd stress to everyone here in the forums to just stick with PrecisionX and skyn3t vbios for 1.212v on your reference 780ti. This method does not work for me and all agent can say is "well my friend got it working" I have tested it thoroughly with stock bios and skyn3t bios and here is a video of the results.


Voltage overlay is top left of the screen. I used msi afterburner + RTSS to display voltage and core clock since that is all we need to see. Memory clock was left at stock in both tests. Card is liquid cooled. Card is also a golden one. Able to hit 1435mhz in Valley bench @ 1.212v.

Those artifacts are very similar to ones i get when i OC memory too high(past7800mhz)

"well my friend got it working"

Im sorry, what?

I got it working personally on friends Ti with minimal hassle, your card does not like voltage, as I already said. 580Lightning i had with added voltage = dud card. Also, a golden 470 i had after changing to an accelero xtreme plus resulted in artifacts followed by a crash. Cause, vrm overheat due to weak included heatsinks. Artifacting is not normal, so either dud card or your VRM is overheating, which wouldn't surprise me since you are on air. i imagine DD=00 you would OC higher as well. The fact that other people get freezes only, or it works, but yours artifacts with it instead of crashing, points to your card. We already have a few people that it works with, one that can only add up to a certain point until it crashes, and some that crash instantly.

There is no guarantee that you would get better results, i made that clear earlier, this a "try it out for yourself and see if it will help"
Quote:
Originally Posted by VETDRMS View Post


I am on water and did some cold testing (10C coolant temp - 18-20C loaded gpu temp) and I could run 1398mhz in Valley with no artifacts. Same with 3Dmark'11, but for some reason 3DMark would crash on the Firestrike PhysX test, but no artifacts in Firestrike. This is all at 1.212v. Using any type of voltage control in AB would cause instant instability.

The rest of my system is a bit dated but it still gets along pretty well! This seems like a great card considering the voltage. Looking forward to some future testing at 1.3v or so once it gets sorted out.

Attached is at 1385 / 3750, room temp, 30C fully loaded. No artifacts.

What water block do you have?

So an extra 6.25mvv (DD=04) causes instant crashes?

btw, i dont think you are stable in valley, i score 3600 in valley at similar clock speeds

edit: i see you said dated system, nvm
Edited by Agent-A01 - 3/5/14 at 7:13pm
post #8407 of 16490
Quote:
Originally Posted by VETDRMS View Post


I am on water and did some cold testing (10C coolant temp - 18-20C loaded gpu temp) and I could run 1398mhz in Valley with no artifacts. Same with 3Dmark'11, but for some reason 3DMark would crash on the Firestrike PhysX test, but no artifacts in Firestrike. This is all at 1.212v. Using any type of voltage control in AB would cause instant instability.

The rest of my system is a bit dated but it still gets along pretty well! This seems like a great card considering the voltage. Looking forward to some future testing at 1.3v or so once it gets sorted out.

Attached is at 1385 / 3750, room temp, 30C fully loaded. No artifacts.

Is that a reference 780ti? Very very nice if so! Temps make a big impact, if you can get the card down to 20c during load you will break 1400mhz in Valley for sure!

When I did my 1435mhz run i think the max temp was 20c on the core with 1.212v. It was a cold day like 35F ambient temps.

On a normal day the card stays around 34c
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post #8408 of 16490
Quote:
Originally Posted by Agent-A01 View Post

Those artifacts are very similar to ones i get when i OC memory too high(past7800mhz)

"well my friend got it working"

Im sorry, what?

I got it working personally on friends Ti with minimal hassle, your card does not like voltage, as I already said. 580Lightning i had with added voltage = dud card. Artifacting is not normal, so either dud card or your VRM is overheating, which wouldn't surprise me since you are on air. i imagine DD=00 you would OC higher as well. The fact that other people get freezes only, or it works, but yours artifacts with it instead of crashing, points to your card. We already have a few people that it works with, one that can only add up to a certain point until it crashes, and some that crash instantly.

There is no guarantee that you would get better results, i made that clear earlier, this a "try it out for yourself and see if it will help"



Memory clock was left at stock in both tests. Card is liquid cooled. Card is also able to hit 1435mhz in Valley bench @ 1.212v. http://www.overclock.net/t/1360884/official-top-30-unigine-valley-benchmark-1-0/10580_20#post_21872598
Edited by Chronic1 - 3/5/14 at 6:47pm
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post #8409 of 16490
so, we are right where we were months ago when Sky/ed/zawa were working on this. It works, up to a certain point, for a minority of people.
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post #8410 of 16490
Quote:
Originally Posted by Chronic1 View Post

Memory clock was left at stock in both tests. Card is liquid cooled. Card is also able to hit 1435mhz in Valley bench @ 1.212v. http://www.overclock.net/t/1360884/official-top-30-unigine-valley-benchmark-1-0/10580_20#post_21872598

Reread my post, you quoted it before i finished editing. A high clock means absolutely nothing about what i said. The first 580 Lightning i had would OC to 1ghz easy on stock voltage, but added voltage = artifacting. The other 2 cards i had would hit 1100mhz with extra voltage, neither of them had issues with high amounts of it either.
There is a reason why people say, high leakage cards are better for water. High asics cards have low leakage which tend to not play as well with voltage, and in your case not at all( or vrm temps)

What block do you have? EK is superior in vrm cooling,(but the instructions do not say to put thick thermal pads on the inductors which is a reason why some of these cards pop) and other blocks seem to only cool the phases and not the inductors. If a block has weak cooling in the vrm area, those things get hot, the stagnant air doesnt help either.
I also noticed that the Ti has a noticeably higher VTT voltage than the titan.. Another interesting fact

Also, try underclocking memory(test) cowie has had to do that for some cards to reach stability(including GK110)
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