Doom has different constraints from UC4 technically. That is a fact. Whether it's on another level is an opinion.
The lighting model can afford to be much simpler, as scene makeup is mostly a classical blend of static opaques plus simple transparencies, even including character models. There's less in Doom's environments which would be prone to unavoidable overdraw issues, such as dense foliage. Doom also features far less dynamic interaction with such things, which has real-time processing implications along with its own design constraints. Etc.
Doom picked a smaller technical scope and did things very well within it.
Wrong, Uncharted 4 should run at 60fps... Doom does everything better at 60fps...
Doom has no technical flaws such as simplistic geometry, texture popping/quality, very low resolution effects, static environnements, discutable PBR, etc.
Also, Doom had a much bigger budget than Uncharted 4 and isn't a multi platform game. In these conditions, it is obviously technically better.