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Is AMD really that much better? (lemmy.sdf.org)

submitted 1 year ago by [email protected] to c/[email protected]

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Hey everyone,

I'm currently rocking a 3080 I bought second hand in my Arch Linux rig. It works great under xorg but not so much wayland. There are a number of bugs and gaming performance is worse. I would like to use wayland in general for the mixed refresh rates with dual monitors. My question is: Is AMD really that much better than Nvidia? Is the AMD experience issue free with wayland? Also, how is hardware encoding with AMD? I'm particularly curious how performance is for game streaming with sunshine. I currently use nvenc hardware encoding which is amazing and feels like there is no latency. Does AMD have a similar experience?

Thanks!

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[–] [email protected] 3 points 1 year ago

I've had many issues with AMD to be honest. I have used a Vega 64 in my desktop and a Radeon 680M in my laptop and both experienced numerous hard system hangs. The Vega 64 eventually got better, but the Radeon 680M is still dealing with a lot of ring0 hang issues: https://gitlab.freedesktop.org/drm/amd/-/issues/2220. I mostly get these hangs when using Firefox's hardware accelerated video playback while running in Wayland. People in that thread seem to think its an issue with accessing VCN.

Regarding video acceleration itself, the Radeon 680M also seems to not work properly in Firefox. Videos will frequently get stuck on a frame before continuing normal playback after a few seconds.

Meanwhile, my Nvidia 3090 on my desktop has been working without issue. Sure you don't get Wayland, but I don't really have a need for it just yet and I vastly prefer being able to use DLSS and raytracing. Wayland also needs a few patches to enable tearing protocol support and a few other fixes that help input latency before I switch over. The upcoming Nvidia 545 drivers are supposed to help out their Wayland support quite a bit, so I am excited for that.