I have bought the eGFX Breakaway Puck Radeon RX 570 to use with my MacBook Air and I have installed the RPR (Blender don't like the AMD cards... :// )
The results are not equal to Cycles ... perhaps is because I didn’t know the correct settings ... Cycles results are better... RPR results are "different".
The final Cycles Render looks like this:
Bender with Radeon Pro Render - RPR:
(with RPR I have problems with the shadows)
What settings I have to change do make this very better?