When comparing HDMI and DisplayPort, which feature is unique to the DisplayPort architecture?
Daisy Chaining (MST)
HDMI and DisplayPort are both digital interfaces that carry high-definition video and uncompressed audio over a single cable, so several of their capabilities overlap.
DisplayPort supports Multi-Stream Transport (MST), a feature that lets one output port send multiple independent video streams.
Using MST, several monitors can be daisy-chained one after another from a single DisplayPort output, or split through an MST hub, without needing a separate port for each display.
This daisy-chaining capability is native to the DisplayPort architecture and is not part of the standard HDMI specification.
So the feature unique to DisplayPort is Daisy Chaining (MST).
TMDS signalling is the transmission method used by HDMI (and DVI), uncompressed audio is carried by both interfaces, and Ethernet over the cable is an HDMI feature (HDMI Ethernet Channel), so none of those is unique to DisplayPort.
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