Question: what is the difference between apple tv hd and 4k?
Answer: The Apple TV 4K offers a maximum of 3840x2160 pixels, while the HD model supports 1920x1080 pixels. Beyond this, the 4K supports HDR10, Dolby Vision, and Dolby Atmos, unlike the older model. ... The Apple TV 4K is the first streaming player to be both Dolby Vision and Dolby Atmos certified.