The good Hunter on Twitter: Comparing Blender 3.2 CUDA vs HIP, all GPUs align perfectly according to their FP32 throughput (specification), for most of the benchmarks. : r/Amd
Blender 2.91: Best CPUs & GPUs For Rendering & Viewport – Techgage
Blender BlenchMark - various Mac CPUs/GPUs
12 Desktop Processors Tested on Blender 2.80 versus Blender 2.79b - Legit Reviews