Many 3D artists have upgraded to a powerful workstation with four RTX 4090 GPUs and expect Blender Cycles to scale almost linearly. However, they discover that their render is only 10–25% faster with all four GPUs than it is with just one. The Task Manager shows low GPU utilization, and their renders don’t speed up.
Have you encountered this problem before? In the blog, iRender will delve into the issue and find the solution to fix poor multi-GPU scaling on 4×RTX 4090 in Blender Cycles.
