The sad truth is that average Max user is much more capable compared to the average C4D user, that’s because have more and better resources to learn, a bigger community, earlier access to software, more ready made assets, the software used plays very little role.
Was the same for Vray too, beside some little shaders differences the software was largely the same(of course comparing the same version) and results can be absolutely on par with Vray for Max provided you know how to use the software.