AMD currently just supports Vulkan ray-tracing with their Radeon RX 6000 series graphics cards while now there is independent work being done on Mesa’s unofficial Radeon Vulkan driver (RADV) to allow ray-tracing to work with older generations of GPUs like Vega and Polaris…

Source: Phoronix – Experimental RADV Code Allows Vulkan Ray-Tracing On Older AMD GPUs