Sony's X900F 4K TV series is among the brightest we've tested, with excellent color and tons of features thanks to Android TV, though some minor issues coupled with a hefty price tag keep it from rising to the top.

With a robust built-in sound system, the Sony XBR-65X900B is one of the best 4K HDTVs you can buy right now, but until 4K content becomes widely available, it's not worth the high cost.

2D Performance 3D Performance Features

To hear Sony tell it, the future will be in 4K. This stance comes as no surprise: The company's 4K-rez digital cinema projectors have been installed in over 13,000 theaters, and at least 75 Sony-produced titles have either been shot with 4K digital...