Apple macOS 10.15 vs. Windows 10 vs. Ubuntu 19.10 Performance Benchmarks
When running Intel's OSPray ray-tracing tests across the three operating systems, the performance was similar.
Intel Open Image Denoise saw slight leads with Ubuntu 19.10 and Windows 10.
OIDn and OSPray are among the components to be making up part of the oneAPI graphics rendering toolkit and thus will become more important with time.