Dota 2 7.00 - Mesa 13.1-dev: OpenGL RadeonSI vs. Vulkan RADV
Written by Michael Larabel in Linux Gaming on 16 December 2016. Page 2 of 3. 13 Comments

The OpenGL performance at a mere 800 x 600 resolution was basically the same for all these modern graphics cards with RadeonSI Mesa 13.1-dev... (Note the RX 470 used for testing is a factory-overclocked model.)

When switching over to the Vulkan renderer with RADV, the Vulkan performance for this unofficial open-source AMD Vulkan Linux driver was basically the same speed as the OpenGL performance with this minimum resolution.

At 1280 x 1024, the OpenGL vs. Vulkan (RadeonSI vs. RADV) performance was the same for the higher-end RX 470 / RX 480 / R9 Fury graphics cards. But with the R9 285 and RX 460 graphics cards, the Vulkan performance was now much lower than the OpenGL performance.

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