How each streaming service delivers 4K
The share of each service's 4K titles in Dolby Vision, HDR10+ and Dolby Atmos, how much bitrate its streams carry, and how much more the 4K disc of the same film carries.
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How these figures work
Titles are the 4K titles we currently track on each service. Shares count a title once per service. Titles that have left a service aren't counted.
Formats are what each stream delivers: a title can carry Dolby Vision and HDR10+ at once, so those shares can add up to more than 100%. SDR means none of them.
Bitrate is measured on part of each catalogue, shown as "measured on …%". The dot is the median; the band (PRO) spans the middle half of measured titles. Medians from fewer than 40% of a catalogue are drawn as a dashed dot and left out of rankings.
Disc vs stream compares the 4K disc's bitrate with the same film's stream, for titles where both are measured. Services with fewer than 20 such titles aren't shown.
Regions follow where each title is listed as available. Availability is tracked mainly for the US, so other regions can miss titles.
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