Very Rough Benchmarks

CUDA > ROCm > DirectML > drawing it yourself > CPU

Using 25 steps of Euler A in txt2img, 512x512.

CPU:
- AMD:
  - 5900HX: 7.5s/it, 150sec/image
  - 5950X: 4s/it, 100sec/image
  - 7950X: 3.5s/it, 90sec/image
GPU:
- AMD:
  - 6900XT
    - Win10, DirectML: 3.5it/s, 9sec/image
    - Ubuntu 20.04, ROCm 5.2: 4.5it/s, 6sec/image
- Nvidia:
  - 4090: 6.5it/s, 4sec/image