Mesa 19.0 RADV vs. AMDVLK 2019.Q1.2 vs. Radeon Software 18.50 Linux Vulkan Performance
With both low and very high quality settings, the 18.50 Vulkan driver maintained a small but measurable lead over the RADV Mesa Vulkan driver with Rise of the Tomb Raider on Linux. The AMDVLK open-source driver built against LLVM also had a small but lesser lead compared to RADV.
With Serious Sam 3: BFE, meanwhile, the RADV Mesa driver had the advantage.