Mesa 20.3 + Linux 5.9 Is In Great Shape Against AMDVLK, AMDGPU-PRO

For Batman: Arkham Knight on Linux via Steam Play, RADV even on the Ubuntu 20.04.1 stack was faster than AMDGPU-PRO and AMDVLK, both of which performed similarly. Just the AMDGPU-PRO 20.30 driver ha a a few frame advantage on the Vega-based cards while the Navi performance was similar. Mesa 20.3 with Linux 5.9 had a few frame advantage in this game compared to the Ubuntu default driver stack.

For Deus Ex: Mankind Divided as one of the most demanding Linux-native OpenGL games, Mesa RadeonSI was much faster than the proprietary AMDGPU-PRO OpenGL component.

The Dota 2 Vulkan performance was quite close among the different drivers/cards tested.