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A comment on Upcoming HDMI 2.1 Features. Parent comment

Re:Upcoming HDMI 2.1 Features by shmerl on Sunday December 03, 2017 @07:41PM (#15840614)
Only this new one does. DP 1.4 supports 32.4 Gbit/s. HDMI 2.0 supports less.
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Re:Upcoming HDMI 2.1 Features by paulmd on Sunday December 03, 2017 @08:18PM (#15840772)
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.

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