Cinematographer Michael Fimognari uses a deliberate color palette that directly benefits from a 10-bit HEVC encode.
The specific format you mentioned——is an optimized way to view this film: Geralds Game 2017 1080p WEB-DL x265 HEVC 10bit ...
To appreciate this specific file format, it helps to decode the technical jargon used in digital video preservation. 1. 1080p (Full High Definition) Geralds Game 2017 1080p WEB-DL x265 HEVC 10bit ...