AMD RDNA2 Vulkan: RADV vs. RADV+NGGC vs. AMDVLK vs. PRO Driver Benchmarks

Following last week's Radeon RX 6600 XT launch, here are benchmarks of the Radeon RX 6600 XT / RX 6700 XT / RX 6800 XT graphics cards across all of the Vulkan driver options available to Linux users.