Diablo® IV

Diablo® IV

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Evilnapkin Nov 3, 2024 @ 5:53am
Anyone else getting 100% GPU usage bug
Oddly the game ran perfect for me in open beta (or whatever it was called). Then as soon as base DIV launched, my GPU would sometimes shoot up to 100% usage and stay there, never coming down until I dropped textures to low.

They fixed it for season 2, but the bug is back now, has been since xpac launched.

Makes the game completely unplayable.

Any ideas on fix? It is not my VRAM, even though I only have 8gb (3070) it stays around 7.2gb used, lower when I drop textures. My brother is on a 3090 and is having the same issue, except he got it so bad it made his whole PC crash (this has not happened to me yet).

I asked official support about this way back and they said it was my GPU throttling from overheat, which was not the case (evidenced by the fact that they eventually fixed this - for a while). So am not eager to ask them for help again, they aren't very helpful.
Last edited by Evilnapkin; Nov 3, 2024 @ 5:54am
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IchigoMait Nov 3, 2024 @ 6:08am 
Use gpu-z or some other third party app to check your gpu usage, not task manager.
If you have hags enabled (which allows you to use vrr and framegen), then you can't see your actual gpu usage in the task manager.
Evidence of your gpu not throttling is if you actually tell what your gpu temps are. If they're not high to begin with then your gpu usage isn't high.
If you really would be at 100% gpu usage your gpu would be throttling, because of temps going equally as high. Gpu's start to throttle around 65C, and at around 88C they will turn off.
My rtx 4070 gpu throttling scale, was pretty much the same with rtx 2070.
https://i.ibb.co/R6VPP09/image.png

Also there is vram leak going on in the game since the expansion game out, so you can't do anything with the crashing, after a certain amount of time you will just crash, the more vram you have the longer you can play, graphics settings don't matter much.
Last edited by IchigoMait; Nov 3, 2024 @ 6:15am
Qoojo Nov 3, 2024 @ 6:34am 
100% GPU usage isn't a bug. Usage is a balance between CPU and GPU, along with the graphics settings. Can the CPU feed GPU faster enough. It's the reason why CPU benchmarks show gaming FPS on 1080 low as a benchmark. It puts all the majority of the load on the CPU. Then once you starting upping resolution to 4k and other graphics options, the CPU performance becomes less important.

Now their point about gpu throttling is because usage drives heat and they probably assumed it. So you must use other things to control it like vsync or FPS limiter, along with lowering other options.

And yes, this game is the biggest memory hog i have seen in pc gaming. As as your VRAM goes, it's max'ed out for you at 7.2gb which is why you do not see it go higher.
Evilnapkin Nov 3, 2024 @ 6:44am 
I am using MSI Afterburner to check usage, and it is a bug, because it goes from 62% usage to 100% and stays there, and did not used to happen for many months and has been back since xpac launch. It will have even less usage sitting in town then suddenly decide to spike to 100% and stay there. I am not using vsync. 7.2gb is not my max VRAM, it goes higher in Resident Evil 4 Remake (which I can run at max settings except at textures, so DIV should be cake). I checked an old video, RE4 Remake hits at least 7.6gb VRAM used in the overlay so 7.2gb in DIV is definitely not maxing out so not dropping frames from that.

Also in this video of RE4 Remake, GPU hits 62 degrees and doesn't throttle. DIV doesn't go higher than 60 so that isn't it either.

CPU usage when it's at 100% GPU is 33% tops. I have 32gb RAM and DIV gets me to ~22gb used overall, so neither of these are somehow contributing to the issue.

I see posts about this on the DIV reddit, so it isn't just me. No real fixes though.
Last edited by Evilnapkin; Nov 3, 2024 @ 6:57am
Qoojo Nov 3, 2024 @ 6:56am 
Here is a video that goes over settings which might help reduce gpu load by turning off useless options

https://www.youtube.com/watch?v=jKEI9I7-FEw
Last edited by Qoojo; Nov 3, 2024 @ 6:56am
Evilnapkin Nov 3, 2024 @ 7:04am 
The problem is that it is artificial GPU load, not actually anything real it seems. The only setting that stops it from happening is dropping textures, which lowers VRAM used not % on overlay so somehow that is linked. But ie. lowering shadows all the way will not fix it.

I should not have to lower settings anyway, when after they fixed the issue I had it working for months no issue max settings.
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Date Posted: Nov 3, 2024 @ 5:53am
Posts: 5