Selecting GPU or CPU rendering in Blender 2.8:If you have a supported GPU, change this in the Render panel under the Device section. If no GPU is detected the this field will grey out.GPU renders a lot faster than CPU. Blender 2.8 supports most Nvidia cards because it was built to run with CUDA cores. The latest Nvidia RTX cards are also supported however at this time the benefits of RTX for quicker raytracing render speed is not supported. I believe this is currently in development to be implemented in future Blender updates, possibly in 2.9 or later.For the artist using newer iMacs, the AMD Radeon card is not supported. From what I [...]