Reply To: What is the difference between Apple TV and Apple TV 4K HDR? December 6, 2018 at 2:43 am #1430 Itzel RomagueraParticipant @iromaguera Apple TV is a satellite TV box which plays video and also music. So, it uses the wireless connection to play any video and music. Apple TV 4K HDR is High definition TV. It plays high definition video and music.