I don't think so. Gears always played second fiddle to Halo, even with peoples objections to Halo 5.
This generation is different then the last. Xbox doesn't own North America over PS, and has far less ground in Europe. Every exclusive that sold well on 360 will automatically sell millions less on Xbox One for the sole reason, outside the games control, is that this generations focal point is Playstation 4. Gamer buzz therefore won't be on Gears 4 but the Playstation holiday lineup, exclusive and multiplat alike. This means the game will open less, and have its legs cut off before it should be. Unfortunate but hey, tis the way of things.
Like Halo 5, Gears 4 sales will be less then its 360 counterparts, but will sell less then Halo 5 because its ultra violence is slightly more niche then Halos colorful violence.
Xbox: Best hardware, Game Pass best value, best BC, more 1st party genres and multiplayer titles.
