On: Upcoming HDMI 2.1 Features

[paulmd]

You're incorrect. DisplayPort 1.3 has supported 32.4 Gbit/s transfer rates for several years now.

https://en.wikipedia.org/wiki/DisplayPort#1.3

The only thing that DP1.4 adds (in terms of bandwidth) is compression over the top. The native bitrate is actually the same.