Early Radeon Vulkan Windows vs. AMDGPU PRO Linux Benchmarks
The same system was used as the tests on Friday (Intel Xeon E3-1280 v5 Skylake box with MSI C236A Workstation motherboard, 16GB of DDR4-2133MHz memory, and 120GB Samsung 850 SSD). Radeon Software Crimson Edition 16.4.1 was in use on the Windows side while the inaugural AMD GPU-PRO stack with Vulkan support was at play on Ubuntu 16.04 x86_64.
Like yesterday's tests, besides comparing the Vulkan performance with The Talos Principle on Linux and Windows, there was also an extra run of Direct3D 11 on Windows versus OpenGL on Linux. The Radeon R9 285, R9 290, and R9 Fury graphics cards were the red GPUs I had access to for testing that are supported both by Radeon Software Crimson and the new Linux driver stack.
With the NVIDIA tests, the OpenGL/Linux results were competitive with -- and tended to slightly outperform -- the Direct3D11/Windows results while on AMD this isn't the case with the current drivers on the competing operating systems. The Direct3D/Windows frame-rates on all three graphics cards were noticeably higher than on Linux with the new "PRO" driver stack that has yet to be fully optimized.
And the Vulkan results many have been waiting for... Vulkan on Windows ended up being faster than Vulkan on Linux with the current AMD/RTG drivers. That's the opposite of the NVIDIA tests where Linux came ahead for this same game.
More Windows vs. Linux graphics tests forthcoming.
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