RADV vs. AMDGPU-PRO vs. AMDVLK Vulkan Linux Driver Performance

While last week I published some initial Radeon Software 18.10 vs. Mesa benchmarks there was interest by some premium supporters in seeing a three-way comparison of Mesa RADV versus AMDGPU-PRO / Radeon Software 18.10 PRO components vs. the official open-source AMDVLK driver. Here are those results using both Polaris and Vega graphics cards.