mr puggsly- Even Last of Us had significant dips. So it can't have too much power to spare. :-p
Maybe the Shadows or Mordor is the best optimized PS4 game ever and worst optimized X1 game ever.
But lets wait for the final product before speculating. I imagine Digital Foundry will touch on it.
isnt tlou still a old(ish) engine,and usually those can only be scalled/stretch so much before its overwhelmed?