At SIGGRAPH 2019, AMD Software Development Manager Brian Savery gives an overview of AMD’s Radeon ProRender plug-in for Blender 2.80. He demonstrates Radeon ProRender Full Spectrum Rendering in Blender 2.80, now available in a beta plug-in. What Full Spectrum Rendering means is that it gives artists a viewport that can be scaled from super-fast rasterized to fully ray-traced rendering, all with physically accurate materials and lighting. Think of it as a mix of EEVEE and Cycles all in one package, powered by Vulkan! The great thing about Radeon ProRender is that it will run also on modern NVIDIA cards.
You can download the add-on here for free.