Measuring input latency on Linux: X11 vs Wayland, VRR, and DXVK - Marco Nett
Measuring input latency on Linux: X11 vs Wayland, VRR, and DXVK - Marco Nett
marco-nett.de
Measuring input latency on Linux: X11 vs Wayland, VRR, and DXVK - Marco Nett

Really cool research. Overall, X11 still wins compared to Wayland(kwin) but only by 0.14 - 0.22 ms. The really bad performance hit is from XWayland which added 3.13 ms.