You do realize that the consoles won't have nearly the graphics performance of the PC version? Their deployments will be much lighter as a result.
Call of Duty is still going to be a massive strain on the XSS's hard drive. Modern Warfare is over 200 gigs now on current gen consoles. Even at its base, one could surmise that this game will be close to 200 gigs at its base. This isn't even including Warzone