https://wccftech.com/call-of-duty-modern-warfare-2-improvements/

Call of Duty: Modern Warfare 2 Campaign Remastered is now out on PlayStation 4, and it's finally possible to see how much the game has been improved over the original release.

A new comparison video shared by ElAnalistaDeBits highlights the differences between the original and the remastered campaign, and the enhancements are definitely noticeable. The fact that Modern Warfare 2 aged surprisingly well definitely helped the remaster.