Can anyone explain it to me? On 2.80 I’m doing 70 s on the BMW bench and 84 s on 2.81. On larger/more complex scenes like Barbershop it is even worse.

See this topic: [image] Very slow GPU rendering in Cycles (opencl). Blender 2.81 Blender Development Discussion Greetings! There are problems with rendering on the GPU at 2.81, it is significantly slowed down compared to 2.79 (nightly build) AMD RX 580 videocard [79] …

Blender 2.81 AMD GPU performance regression

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Felix_Kutt (Felix Kütt) November 29, 2019, 8:17pm 2

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