Pathtracing is raytracing, but someone thought it would be nice to throw the guessing part out the window. With pathtracing, instead of just simulating 5 or 6 light rays to get reflections and shadows and whatnot, you simulate thousands, or even millions, per pixel. Pathtracing simulates w...
I just don't see where perfect/full ray tracing is that useful outside of architecture and theatrical quality renderings. Lumen has limitations. Ray tracing has limitations as well. Path-tracing is the best but performance is the issue. Like I stated above, the argu...