Comparison chart:
PS4 : Xbox One
price: $399 USD : $499USD
Blue-ray: yes : Yes
Free multiplayer: no : no
Play without login: yes : no
Disc Sharing: yes : no
movement sensor: yes : yes
Backwards compat: TBC: no
Game DVR: yes : no
RAM 8GB GDDR5 : 8GB DDR3
Processor: AMD "jaguar : 8 core microsoft custom CPU
Cores: 8 cores : 8 cores
storage: 500GB : 500GB
cloud: yes : yes
second screen: Vita : Smartglass
premium service: playstation+ : Xbox Live
USB: yes : yes
Bluetooth: yes : no
HDMI: yes : yes
locked region: no : yes
| GG XBOX, GO HOME (source) |