Twice the GPU power, faster CPU. does true 4k and variants of upscaling and HDR for media streaming and and video games, does supersampling for 1080p TV's, will have options for gamers to choose faster FPS over visuals and visual effects over resolution. The system is very quiet and the UI runs smoother, has and extra gig of regular ram and a 1 terabyte hard drive. Easily worth the extra hundred dollars that it cost over the slim model if your in the market for a PS4 and even worth buying as an upgrade.