PS4 defiantly has the quantity but in 2015 Xbox has the quality. Your talking about the biggest gaming franchises being released in 2015 alone while PS4 has a lot of Unknown games and there's a good possibly those games can be bad.
Easy and safest answer is Xbox One. I game primary on Steam/PC and even though PC has the most exclusives in the gaming market, a lot of them are mediocre or just not worth playing.







