GeForce RTX 30 vs. AMD Radeon RX 6000 Series Vulkan Ray-Tracing On Linux

Given this week's launch of the Radeon RX 6600 XT and that also bringing the new Radeon Software for Linux 21.30 driver, I was curious to see how the Vulkan ray-tracing performance compares now against the NVIDIA GeForce RTX 30 series on Linux.