X264-hdr

To display HDR content correctly, a video file must communicate specific "bright" and "dark" metadata to a display.

: The file might be a 10-bit H.264 encode. While this provides better color graduation than 8-bit, it is still not "true" HDR and often suffers from poor hardware compatibility. Conclusion x264-hdr

You may occasionally see "x264-HDR" listed in file descriptions on forums or review sites like Wccftech . In these cases, the term is usually a or refers to a specific, non-standard workflow: To display HDR content correctly, a video file

: The video may have been converted from an HDR source to an SDR (Standard Dynamic Range) format using x264, losing the actual HDR benefits but retaining high detail. Conclusion You may occasionally see "x264-HDR" listed in

For users prioritizing , 4K HDR is the better choice over standard 4K. However, to achieve this, you should avoid x264 and instead use x265/HEVC or AV1 encoders, which are designed to handle the lifelike visuals that HDR provides.