Why is UC4 considered a better game than Rise of the Tomb Raider?

[DanneSandin]

I haven't played any of the games, but I did play their predecessors; Uncharted 1 and 2 and Tomb Raider (the reboot). Out of all the three games I enjoyed Tomb Raider the most and really thought UC were over rated. But like I said, I haven't played UC4 or RotTR