Resistance and Sold not that well but they are fan who will buy a console for this games and we can't know if this game are profitable or not ,when a person buy a console they generaly look at the whole library of games.
3rd party don't make much exclusive anymore so MIcrosoft shoukd do like Sony buying gaming compagny to make more exclusive yes Halo and Gear of war will sold many console but this 2 games only can make a console a succes just like Nintendo how can we explain the failure of Gamecube despite having Mario?
Losing one generation dosn't mean they won't ever return to domination.
Why abondon handheld the psp was a succes and make much money ? About PSV we don't know it still to early to make a judgement.
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m