Will undervolting my 7800 XT cause problems?

[hanouzz]

I have purchased a 7800 XT, and I will be build my PC tomorrow. I will be using Linux, so I'll end up using MangoHUD instead of Afterburner. I have heard AMD GPUs have coil whine issues, so how much should I undervolt my GPU to and will it cause any problems at all?

Edit: Made a similar post for my Ryzen 5 7600X

[Raudi_]

13 minutes ago, hanouzz said:

I have purchased a 7800 XT, and I will be build my PC tomorrow. I will be using Linux, so I'll end up using MangoHUD instead of Afterburner. I have heard AMD GPUs have coil whine issues, so how much should I undervolt my GPU to and will it cause any problems at all?

No it won't cause any issues, I've rarely heard my 6950XT whine unless it's an older title pushing 500+fps 

[Vonrottes]

Only issue will be if you go to far, it will become unstable

But won't cause any damage to anything.

 

I got rid of basically all coil whine on my 7900xt at 1030mv so I'm at 70mv undervolt from stock, but results will vary.

[hanouzz]

6 minutes ago, Vonrottes said:

Only issue will be if you go to far, it will become unstable

But won't cause any damage to anything.

 

I got rid of basically all coil whine on my 7900xt at 1030mv so I'm at 70mv undervolt from stock, but results will vary.

aight, so no damage, but revert to default if things get unstable?

[hanouzz]

26 minutes ago, Raudi_ said:

No it won't cause any issues, I've rarely heard my 6950XT whine unless it's an older title pushing 500+fps 

lol I don't think I need that many FPS I'll prob have it limited to smth

[Raudi_]

2 minutes ago, hanouzz said:

lol I don't think I need that many FPS I'll prob have it limited to smth

Honestly V-Sync Lock is what I usually do myself since I don't need to run it full tilt with the titles I play and didn't undervolt either.

[Salted Spinach]

Just so you know, there are many videos out there about undervolting AMD GPU that only result in an overclock with no change to power draw or temperature. 

 

If your intent is to actually lower temps, you will need to reduce the Power Limit setting in whatever overclocking software you use.

 

Setting a global framerate cap at the fresh rate of your monitor will also let the GPU avoid drawing unessecary  power.