HDR10 requires an HDMI 2.0. While, HDR10 and Dolby Vision both require dedicated chips.
HDR10 is an open standard that uses the wide gamut Recently. 2020 color space. It also uses a bit depth of 10-bits and other feature to output stunning pictures. It is supported by companies like Dell, LG, Samsung, Sharp, Sony, Vizio. In order to use HDR10, users would need to connect their fifth-generation Apple TV to a HDR10-compatible display.
Dolby Vision, on the other hand, is a proprietary HDR format created by Dolby Laboratories. It features an even wider-gamut color space thanks to a 12-bit color depth and dynamic metadata. Only certain TV sets from LG, TCL, and Vizio support Dolby Vision in hardware.