NVIDIA GeForce RTX 30 Series OpenCL / CUDA / OptiX Compute + Rendering Benchmarks - Phoronix

That's the quick look at the current RTX 30 line-up compared to the RTX 20 series in a wide variety of GPU compute/rendering workloads.

Next-Gen GPU - Latest News - Blender Artists Community

CUDA vs OptiX Render in Blender Cycles

NVIDIA GeForce RTX 3080 Offers Up Incredible Linux GPU Compute Performance Review - Phoronix

NVIDIA GeForce RTX 30 Series OpenCL / CUDA / OptiX Compute + Rendering Benchmarks - Phoronix

NVIDIA GeForce RTX 3080 Offers Up Incredible Linux GPU Compute Performance Review - Phoronix

NVIDIA GeForce RTX 3080 Offers Up Incredible Linux GPU Compute Performance Review - Phoronix

NVIDIA GeForce RTX 30 Series OpenCL / CUDA / OptiX Compute + Rendering Benchmarks - Phoronix

Blender 2.81 Benchmarks On 19 NVIDIA Graphics Cards - RTX OptiX Rendering Performance Is Incredible - Phoronix

Blender 3.2 Performance With AMD Radeon HIP vs. NVIDIA GeForce On Linux - Phoronix