Blender 3.4 HIP Performance With Radeon RX 7900 Series + RDNA3 OpenCL Compute Benchmarks
The Radeon RX 7900 series graphics cards were delivering superb performance-per-Watt results with these OpenCL benchmarks.
Again, apologies over the lack of being able to provide any RX 6900/6950 XT or GeForce RTX 40 comparison points at this time.
Making use of the LuxCore open-source renderer was heavily favoring the NVIDIA hardware. LuxCore on NVIDIA GPUs makes seamless use of OptiX/RTX while on AMD hardware falls back to using its OpenCL renderer.