JackCrackerMan
Hey there, 
I'm running an EVGA 1080ti K|NGP|N HC on a loop with a 280mm & 360mm rad. I've flashed the LN2 bios switch to the "Extreme Watercooled OC" bios that increases the target power limit to 150%.  The problem I'm running into is this hasn't given me any additional performance.  When I run at the default BIOS (120% power limit) I can get my GPU to 2050mhz & 6003 vram freq.  When I use the OC switch @130%, I can go to 2063mhz & 6210vram freq.  With the "Extreme OC" BIOS, the additional 20% increase in power limit, has zero effect, and I'm stuck at 2063 & 6210.  My temps never exceed 45c, so I would expect a bit more headroom.  Maybe that's just this chips limit, and I am fine with that... but just for the sake of overclocking, I'd like to know if there's more I can do.  
 
I've got a Corsair HX1000 PSU powering this, so it's not a power draw issue.  Also, the core voltage % hasn't made any difference whether at 0% or 100%.

JackCrackerMan
Hey Heavy, I have not... I am just now getting back into GPU overclocking... the last time I did any GPU overclock was when I was still gaming on my parents first Pentium 3 machine with a TNT voodoo card. (LOL)

GGTV-Jon
If looking at gpu-z and benching what is the performance cap reason given
If it is vreal then I think you are "Getting all She's Got Captain"

Sajin

JackCrackerMan

Sajin
Force max voltage if you aren't already doing so...
 
https://forums.evga.com/G...erburner-m2820280.aspx

Nice ok, I see what you're doing... I'll keep working on this curve to get it to max voltage then push up from there. 

JackCrackerMan
Up to 2126mhz stable... hasn't failed or started artifacting yet!

Sajin

alfie796
That's awesome. I would love to get those clock speeds at some point. Like you I hadn't touched the voltage stuff and i am stuck at 2076mhz so thanks for asking the question JackCrackerMan. I just have a small issue where I cannot get my power limit to 130% on the OC bios :(
 
I hope that you can get some more mhz out of your card!

All three stock vbios are limited to 118% even though one allows you to adjust up to 130%. You'll need to flash this vbios to the card to get over the 118% limit.

JackCrackerMan
Ok, so I switched all my radiator fans to 100%, dropped GPU temps to below 40 at load, was able to get 2138 to post with just barely a better benchmark than the one I got from 2126, pushed it to 2152 (rounded), passed 1 round of supercollider, failed the second.  Scores dropped too even on the passed run which tells he it wasn't going to hold.  So It would seem 2126 is the sweet spot with this one.

JackCrackerMan
 
I was really hoping to crack that 6400 score, so close.  I bet if I slowly increased vram freq I'd probably get that extra 2 points.
 

Y3didya
I get mine to 2176MHz at 1.2V and my VRAM to effectively 6500MHz (so a 13GHz) with 1.475V ... but currently it is too warm in my apartment to even attempt overclocking. But daily usage I leave her at 2025MHz and 6054MHz ...
 
If you want to get even higher, you will need an unlocked VBIOS which you can get, but this is always locked to your GPU (name and S/N). If you want to know how to get it or from where, drop me a PM. This will remove all Power Limit and Temp Limit, but also basically disables Nvidia GPU Boost
 
@JacobB just realised I forgot to give you my settings for my 7920X @ 4.7GHz and 3.2GHz Mesh :/ Will do so tonight, if I do not forget it though :(