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[Official] NVIDIA GTX 1080 Ti Owner's Club - Page 1425

post #14241 of 15104
Quote:
Originally Posted by nrpeyton View Post

Evening,

Anyone know how to manually force a voltage lower than 800mv? (on a 1080 TI FE).

800mv (0.8v) is the lowest on the 'curve window' in MSI Afterburner!

Any help would be much appreciated!

Thanks,

Nick Peyton

I do not think its possible. It there for a reason. Lowering it too much might cause other part to become unstable if they are dependent on vCore.
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post #14242 of 15104
Quote:
Originally Posted by ZealotKi11er View Post

I do not think its possible. It there for a reason. Lowering it too much might cause other part to become unstable if they are dependent on vCore.

Reason I want to do it is to save energy. Even at the lowest possible voltage (800mv) and 999Mhz GPU clock, memory -512 and then with all settings in-game maxed out at ULTRA on 2560 x 1440 I still get 60 FPS consistently 24 / 7.

GPU is still consuming about 86 watts unnecessarily.

If I could lower that voltage. To maybe 650mv I would save even more energy.

See screenshot below showing 60 FPS:




Edited by nrpeyton - 9/30/17 at 7:43pm
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post #14243 of 15104
Quote:
Originally Posted by nrpeyton View Post

Reason I want to do it is to save energy. Even at the lowest possible voltage (800mv) and 999Mhz GPU clock, memory -512 and then with all settings in-game maxed out at ULTRA on 2560 x 1440 I still get 60 FPS consistently 24 / 7.

GPU is still consuming about 100 watts unnecessarily.

If I could lower that voltage. To maybe 650mv I would save even more energy.

See screenshot below:



Sell it and buy 1070. Also you are doing ti wrong. 1GHz + 0.8v you are overvlolting that core. Get the max clock speed with the GPU you can with 0.8v or just a bit lower and limit fps.
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post #14244 of 15104
Quote:
Originally Posted by ZealotKi11er View Post

Sell it and buy 1070. Also you are doing ti wrong. 1GHz + 0.8v you are overvlolting that core. Get the max clock speed with the GPU you can with 0.8v or just a bit lower and limit fps.

I reckon I could maintain 60 FPS on this game at that resolution easily at a lower voltage & lower clock speed. (Even lower than 800mv and 999Mhz core).

When I'm playing at 4k on a more graphically demanding game I am doing the opposite. I have it overclocked to within an inch of its life. At 1.093v, +575 memory & 2113 Mhz with shunt mod allowing me to draw up to nearly 400w.

But when playing the game mentioned in my earlier post -- and when I'm also not using the 4k TV I'd rather save energy.

I've seen the card idle at lower than 800mv.. so there must be a way to force that lower voltage.

Is anyone aware of any overclocking apps (like but not msi afterburner) that allows a lower voltage than 800mv on the voltage/frequency curve window.

I'm surprised we still don't have either a BIOS editor yet OR at least something that can talk to the voltage controller on these cards.
Edited by nrpeyton - 9/30/17 at 7:54pm
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post #14245 of 15104
Quote:
Originally Posted by ZealotKi11er View Post

Yeah had the same freeze in BF1.

I had the same problem on my sig rig it was pinned down to dirty power in my house. Occurred through a USPS too. Worth investigating.
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post #14246 of 15104
Quote:
Originally Posted by nrpeyton View Post

I tried this (replaced pads on my GDDR5X memory chips with these on my 1080 Classified last round) and temps weren't any better.

Memory is often the lowest thermal density component on a video card that has any kind of thermal interface attaching it to the heatsink, which is why you won't see an improvement. Going from 3 to 20 W/mK doesn't mean much when you only have two watts of heat per square cm to move.
Quote:
Originally Posted by nrpeyton View Post

Due to there being no *give* you end up with a few memory chips having excellent temps while others absolutely appauling.

A thin layer of paste is the opposite of what works best when using copper foil or plates as a spacer.

I use a viscous TIM (Ceramique is my go to for applications like this...it's not conductive or capacitive at all and lasts forever) and put about as much on each mosfet as I would put on an entire GPU die. Any differences in height are mitigated by the paste's bondline (which is still much thinner than a fully compressed pad).
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post #14247 of 15104
Thread Starter 
New drivers really bad for benching.

I lost 600 points in Time Spy. mad.gif
    
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post #14248 of 15104
Thread Starter 
Quote:
Originally Posted by KedarWolf View Post

New drivers really bad for benching.

I lost 600 points in Time Spy. mad.gif

Edit: Had an issue with my water pump I fixed. Affected my CPU score as it was throttling.

With Strix OC BIOS I just got a 11201 graphics score and 11152 over all, which is about 100 points better that what I was doing with the Arctic Storm BIOS with the same voltage curve biggrin.gif.
    
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post #14249 of 15104
Quote:
Originally Posted by nrpeyton View Post

I reckon I could maintain 60 FPS on this game at that resolution easily at a lower voltage & lower clock speed. (Even lower than 800mv and 999Mhz core).

When I'm playing at 4k on a more graphically demanding game I am doing the opposite. I have it overclocked to within an inch of its life. At 1.093v, +575 memory & 2113 Mhz with shunt mod allowing me to draw up to nearly 400w.

But when playing the game mentioned in my earlier post -- and when I'm also not using the 4k TV I'd rather save energy.

I've seen the card idle at lower than 800mv.. so there must be a way to force that lower voltage.

Is anyone aware of any overclocking apps (like but not msi afterburner) that allows a lower voltage than 800mv on the voltage/frequency curve window.

I'm surprised we still don't have either a BIOS editor yet OR at least something that can talk to the voltage controller on these cards.

I want to know the same for my 1070 and 1060,but i didn't find anything yet.
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post #14250 of 15104
Thread Starter 
Quote:
Originally Posted by nrpeyton View Post

Quote:
Originally Posted by ZealotKi11er View Post

Sell it and buy 1070. Also you are doing ti wrong. 1GHz + 0.8v you are overvlolting that core. Get the max clock speed with the GPU you can with 0.8v or just a bit lower and limit fps.

I reckon I could maintain 60 FPS on this game at that resolution easily at a lower voltage & lower clock speed. (Even lower than 800mv and 999Mhz core).

When I'm playing at 4k on a more graphically demanding game I am doing the opposite. I have it overclocked to within an inch of its life. At 1.093v, +575 memory & 2113 Mhz with shunt mod allowing me to draw up to nearly 400w.

But when playing the game mentioned in my earlier post -- and when I'm also not using the 4k TV I'd rather save energy.

I've seen the card idle at lower than 800mv.. so there must be a way to force that lower voltage.

Is anyone aware of any overclocking apps (like but not msi afterburner) that allows a lower voltage than 800mv on the voltage/frequency curve window.

I'm surprised we still don't have either a BIOS editor yet OR at least something that can talk to the voltage controller on these cards.

Try Precision XOC and Google how to do a custom voltage curve with it but I don't know if you can, just saw you can do custom curves.

Edit: No, you can't. More control with Afterburner actually. frown.gif
Edited by KedarWolf - 10/1/17 at 2:01am
    
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