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 audio and video, but each architecture has some capabilities the other lacks.
The feature unique to DisplayPort is Daisy Chaining (MST): Multi-Stream Transport lets several monitors be connected one after another in a chain from a single DisplayPort output.
MST works because DisplayPort can carry multiple independent video streams over one link and distribute them across the chained displays, something HDMI does not natively support.
Ethernet over cable is provided by the HDMI Ethernet Channel, a feature of HDMI rather than DisplayPort, so it is not the DisplayPort-unique option.
TMDS (Transition-Minimised Differential Signaling) is the signalling method used by HDMI; DisplayPort instead uses a packetised micro-packet transmission scheme, so TMDS is not a DisplayPort feature.
Uncompressed audio is supported by both HDMI and DisplayPort, so it is not exclusive to either interface.
Therefore the capability that belongs specifically to DisplayPort is Daisy Chaining (MST).
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