Another video comparision... no weird dark too.
http://www.videogamer.com/features/article/battlefield_4_which_is_better_xbox_one_or_ps4.html
"Battlefield 4 on PlayStation 4 looks stunning, with DICE clearly utilising the console’s additional firepower to yield a superior image quality on Sony’s machine. Images are pin-sharp, appearing to run at a native 1080p and fluid 60 frames per second. But while the Xbox One version effortlessly maintains the same frame-rate, the image quality is perceptibly worse, sporting a softer, jaggier look that carries all the hallmarks of a game upscaling from a sub full-HD resolution. My suspicion is that the Xbox One version is rendering natively at 720p before upscaling to 1920x1080, although DICE opted not to confirm numbers when confronted about the resolutions of the two next-gen versions directly."
