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The original was posted on /r/linux_gaming by /u/Scw0w on 2025-07-08 05:01:02+00:00.

KDE feels bad on newer Nvidia cards. Its not smooth enough, constant fps drops. And i finally found “fix” in Arch Wiki Tips and Tricks for NVIDIA https://wiki.archlinux.org/title/NVIDIA/Tips_and_tricks under section 8.2

options nvidia NVreg_RegistryDwords="PerfLevelSrc=0x2222" 

This command locks frequencies to max level. And this works. KDE now is buttery smooth. It’s just incredible. But now my powerdraw doubled. Its 40-50W on idle. I think this is unacceptable.

RTX4080, wayland.

UPD. I find thread about exactly this problem discuss.kde.org/t/kde-plasma-wayland-nvidia-low-fps-stutters/27064/18