DaVinci Resolve can't find any CUDA capable GPU... But Blackmagic Raw speed test works on CUDA, clinfo and nvidia-smi recognize it and show their respective OpenCL/CUDA version [Linux Mint Ulyssa 20.1] :
How to enable OpenCL/CUDA acceleration in DaVinci Resolve - YouTube
Turning on GPU Acceleration in Creator apps | NVIDIA
DaVinci Resolve - No CUDA capable GPUs - AUR - Manjaro Linux Forum
Blackmagic Forum • View topic - Budget Graphics Card for Davinci Resolve 16?
DaVinci Resolve 16.1.2 Released - Adds CUDA support for R3D & more - Newsshooter
davinci resolve could not find any cuda capable gpus - YouTube