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.

GeForce RTX SUPER Linux Compute Performance - 18 GPU NVIDIA OpenCL Comparison - Phoronix

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

GeForce RTX SUPER Linux Compute Performance - 18 GPU NVIDIA OpenCL Comparison - 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

Blender 2.90 Performance With GeForce RTX 3080, 18-Way NVIDIA CUDA/OptiX Comparison - Phoronix

GeForce RTX SUPER Linux Compute Performance - 18 GPU NVIDIA OpenCL Comparison - Phoronix

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

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

CUDA vs OptiX Render in Blender Cycles

OpenCL - Wikipedia