Old GPU benefits: open source Vulkan drivers optimize AMD Radeon GPU ray tracing performance - TechGoing
AMD Pays Blender over $139,000 per year so Blender removes support for AMD GPUs, never supported Vulkan and optimized Blender exclusively for Nvidia. : r/AyyMD
Vulkan - Wikipedia
Vulkan™ Graphics API | AMD
Best graphics card 2020: every major Nvidia and AMD GPU tested | Eurogamer.net
Intel Arc Alchemist GPUs now have full Vulkan 1.3 support
The Vulkan Graphics API Is Here, and Your NVIDIA GPU Is Ready | GeForce News | NVIDIA