I recently got an EGPU with an AMD Radeon RX 5700 XT. I ran a render pass on my blender donut scene and the result was...less than stellar. I had to switch
AMD Radeon™ ProRender | AMD
December AMD Radeon ProRender updates - USD, MaterialX, new Materials library, plug-in updates - AMD GPUOpen
AMD Radeon™ ProRender | AMD
Render Settings — AMD Radeon ProRender
AMD Talks New Radeon ProRender Integrations, New Plugin Versions, And Coming Features – Techgage
rendering - AMD ProRender installed but not working - Blender Stack Exchange
AMD Pro Render For Blender - Review & Walkthrough! - YouTube