On a similar vein, Arkham Knight (and in some cases Arkham City) looked worse in cutscenes if you maxed out the graphics settings. Obviously not if you ran it on a potato, but the games are somewhat well optimized these days*.

*At launch, Arkham Knight was an unoptimized, buggy mess. It has since gotten much better.

Pretty much every game from the PS1 Era. Think back to how FF7 cut scenes looked and the mega Chunky game play.