4k tv display technologies led hdr screen size 65 inches digital tuners freeview hd tv dvb t2 freesat hd tv dvb s2 freeview tv dvb t dvb c screen diagonal 165 cm energy rating a resolution 3 840 x 2 160 pixels aspect ratio 169 series samsung series 7 optimal distance from screen 413 m recommended room size large 25 m suitable for xbox one playstation 4 football hdtv compatible widescreen processor quad core operating system tizen os