About 4K, HDR, and Dolby Vision on your Apple TV 4K
support.apple.com › en-us › HT208074Sep 20, 2021 · In order for Apple TV 4K to automatically set your display format to HDR10 or Dolby Vision, your television must be able to display HDR10 or Dolby Vision at 60Hz (50Hz in Europe). Apple TV 4K can display these formats at 30Hz (25Hz in Europe), but you’ll need to enable Match Dynamic Range in Settings > Video and Audio > Match Content.