The Xbox One comes with Killer Instinct. So, to begin you get a AAA game in the box, granted only one character, but for $20 you get a complete game.
With the PS4 you get Playroom. A game that really isn't a game but rather is just a tech demo, and you really need the PS4 Camera for it.
With the Xbox One you also get features like:
* Instant switching. It takes less than 1/2 of a second to switch from watching a movie to playing a game on the Xbox One. It takes 7 seconds on the PS4. 6.5 seconds of your life you've wasted waiting for your slow, pathetic PS4.
* Xbox One knows who you are. When you're logged in, the Xbox One is yours to play and command. It instantly recognizes who you are, logs you into the console, and brings up your profile.
* Up to 6 players on one console at a time. The Xbox One is capable of having up to 6 gamers logged in and playing a game at once.
* Instant Split Screen switching. The Xbox One instantly recognizes what position you're in and shows your screen based on your position to the other players. Want to try and trick it? Not going to happen. Switch controllers and the Xbox One instantly switches you from player 1 to player 2 or vice versa.
* Wi-Fi direct. Any Wi-Fi device has instant, easy access to your Xbox One and it's Internet connectivity. Use it for smartphones, tablets, or laptops, or use it for Wi-Fi audio or video equipment, and even home automation. Anything. Up to 600 ft away (LoS) or up to 300 ft away.
* RF Wireless. More responsive with greater fidelity, the Xbox One uses a revolutionary new technique to provide the best wireless connectivity ever available on the console. Interference free and long range, the Xbox One takes the best controller and marries it to the best wireless connectivity.
* Kinect. The best consumer depth camera got even better. Kinect's Time-of-Flight Active IR camera provides precision depth, visibility in complete darkness, and the ability to see you in all lighting conditions.
* Voice recognition and command. The Xbox One along with Kinect provides the best voice recognition and command available in home entertainment. Say something, say anything. There isn't a need to pick up a controller or remote, just say it and the Xbox One will do it.
* Multi-Device Remote Control. The Xbox One doesn't just respond to commands for your Xbox, but will be able to control your TV and other home entertainment devices. Through HDMI CEC, Kinect, and even an IR Blaster the Xbox One has the ability to remotely control your entertainment experience, Want to raise the volume, just say so. With Wi-Fi Direct and Xbox Apps, the number of opportunities for expansion of this to home automation offers a wider range of options.