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Low GPU Usage

Posted: Sat Mar 21, 2020 8:31 pm
by HOSKER
My GPU is running at 43% utilization, is that normal?

It is an RTX 2080 Super, CPU is maxed out and running fine.

I've done no overclocking etc..

Divers are up to date.

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Re: Low GPU Usage

Posted: Sat Mar 21, 2020 8:50 pm
by Jesse_V
Hi and welcome to the forum!

I strongly suspect that your GPU utilization is actually around 95 or 99%. The calculations are highly optimized and are geared to used hardware as efficiently as possible. Task Manager looks at specific measurements from the GPU, such as rendering load, but isn't technical enough to look at the actual load on the GPU from general purpose calculations. For that, I recommend a tool like GPU-Z, which can generate a graph of the true GPU load.

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 8:51 pm
by Joe_H
In Task manager you need to change one of the windows under GPU to CUDA by clicking on the down arrow. That will show the CUDA compute load, which will probably be 90% or higher.

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 9:03 pm
by Jesse_V
I stand corrected, I didn't realize you could do that in Task Manager. faceplam Thanks Joe!

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 9:07 pm
by HOSKER
Perfect, thank you!

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Re: Low GPU Usage

Posted: Sat Mar 21, 2020 10:14 pm
by JimboPalmer
I use GPU-Z's sensor screen to measure GPU utilization, it gives wonderful details.

https://www.techpowerup.com/gpuz/

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 10:36 pm
by Joe_H
Jesse_V wrote:I stand corrected, I didn't realize you could do that in Task Manager. faceplam Thanks Joe!
Just passing along things posted by someone else. For AMD cards it is one of the 'Compute n' options. Moderating I have to skim through a lot of posts, especially first posts by new members, some info even sticks :shock:

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 10:57 pm
by uyaem
Adding to that info: Running an ASUS GTX 1060 personally, I don't have a CUDA option - but 'Compute 0' shows 95%+ load. :)

Re: Low GPU Usage

Posted: Sat Mar 21, 2020 11:28 pm
by Joe_H
uyaem wrote:Adding to that info: Running an ASUS GTX 1060 personally, I don't have a CUDA option - but 'Compute 0' shows 95%+ load. :)
Which version of Windows? The Cuda option may be a recent addition.

Re: Low GPU Usage

Posted: Sun Mar 22, 2020 3:09 pm
by uyaem
Microsoft Windows [Version 10.0.18362.720], German (de-DE) localization.