2.81 slower?

[Grzesiek]

Are you using OpenCL (AMD) or Cuda/Optix (Nvidia) compute?

With OpenCL there is a slowdown, and tehre is a thread on it already. More details would be helpful to help you

Very slow GPU rendering in Cycles (opencl). Blender 2.81

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] 2.79 [ nightly build] [81] 2.81 Last build Other scenes also have a big difference in different versions of the blender. Optimization under Opencl in 2.81 is planned?