I have exactly this (AM4, 7800XT, 3440x1440 monitor) running bazzite. Almost every game I have maxes 165Hz, works great for LLM inference too, really the nutso expensive stuff is only necessary for 4K+, which I find diminishing returns at present, LLM training (rent a GPU instead), and probably modern VR. Just to let you know you’re barking up the right tree. :)
Oh, and the 7800XT idles / youtubes ~ 14-20W, 7 with the monitor off. I’m actually using it as a backup NAS / home server in down time, system pulls ~40-45W at the wall and I haven’t even gone deep into power saving as it’s a placeholder for a new homelab build that’s underway.
Thing is, the time for net-zero has passed, did you hear that whooshing sound?
To pull back from the brink, what is needed is net-negative, which ain’t happening without capture (alongside massive reduction in emissions), economics be damned, it’s an existential threat, it’s about survival. Could be as simple as massive reforestation, could be fusion generators pulling CO2 out of the air, will probably be many different things, but learning what works, as soon as possible, is imperative.