AMD Radeon RX 6600 Linux Performance
The GravityMark benchmark showed the OpenGL renderer favoring the RX 6600 while when using Vulkan the performance was nearly the same between the RTX 3060 and RX 6600.
The Unigine OpenGL benchmarks were showing healthy leads over the GeForce RTX 3060 too.
The Basemark Vulkan benchmark meanwhile favored the NVIDIA GPUs for greatest performance.