The Performance Advancements Of The Radeon Open-Source OpenGL/Vulkan Drivers Over 2019
The HITMAN OpenGL-powered Linux game port saw flat results for 2019.
Vega saw a slight uptick with Valve's CPU-bound Portal game.
Surprisingly, even the SuperTuxKart racing game saw better performance out of the 2019 RadeonSI driver + AMDGPU kernel driver stack.