4.0 Cycles Hip not rendering correct
Similar issues here, lights and materials look darker under hip, but perfectly fine on CPU and any nvidia based rendering:
Example renders shows the same file rendered on a RTX 3070 with Optix,…
Cycles HIP device crash on rendering on latest AMD Adrenaline Driver
I get this issue on Linux too, on the very latest available driver from the Rocm website, my crashes don't even register a crash.log on /tmp/, blender just closes.