Technical characteristics of the display used by each of the 4k tvs.
Diagonal sizes each 4k tv is available in.
Input/Output connections available for each 4k tv.
Which video formats/codecs each TV can decode.
Supported video technologies.
Supported HDR formats.
Information about the speaker system for each 4k tv.
Which Dolby and DTS audio formats each 4k tv supports.
Information on each TV's Smart TV platform.
Power requirements and use.
Length of manufacturer warranty and certifications each TV holds.