GPU usage is most worlds on VRChat Unity 2022 beta higher by 0.5-3.5 ms compared to Live 2019.

Tested in empty instances with Excellent low poly avatar without shape keys looking at same spots in worlds.

Worlds:

Garden Therapy https://vrchat.com/home/world/wrld_1d845d11-b0a4-4d42-8db7-8ca4577ef21c

The Room of the Rain https://vrchat.com/home/world/wrld_fae3fa95-bc18-46f0-af57-f0c97c0ca90a

Nier Automata Flowers https://vrchat.com/home/world/wrld_cc834611-89aa-4bf9-a3d0-30cc894637ba

System specs:

i7-12700K, Nvidia RTX 2080 8Gb, Oculus Rift CV1, SteamVR 1.27.5 (using Steam VRChat version), SteamVR resolution scale set to 150% (1644x1960), High quality graphics preset in VRChat.

Attached screenshot with SteamVR Frame Timing captures. Left column - 2019, right column - 2022. Please open full size screenshot to see graphs in native resolution, I also drawn red lines on each GPU graph to make easier to notice difference. CPU timings also seems less stable on 2022.