UE4 graphics are like RYSE or better?
The 98% of quality of a game, it is credit to the graphics artist, light artist, shader programers and size of the textures. You can get this quality in any engine.
The 98% of the horsepower is base in the hardware and the optimization do it for the artist and the gameplay code. You have the same problems of framerate with 10000 drawcalls with any engine in any console.