DisplayPort (DP) is a fairly new digital display interface comparing to other interfaces such as VGA and DVI. Many of new monitors and laptops are equipped with Display Port ports now so DP has become one of the most common standard for transmitting video sources.

 

What is DisplayPort (DP)?

DisplayPort is a display interface that is standardized by Video Electronics Association (VESA). The original purpose of DP is replacing VGA and DP does gradually supersede VGA and DVI. DP is very similar to HDMI, which can carry video, audio signals and data simultaneously. And the better part of DP is that there is no license fee to produce DisplayPort. However, HDMI is required to pay an authorization fee to HDMI organization for membership, production equipment and use of the label.

DisplayPort is using packetized date transmission that is similar to the digital communication technology like USB and Ethernet.

Different versions of DP

	Transmission Modes	Maximum Total Bandwidth	Max Resolution Support
DP1.1	RBR HBR	6.48Gbit/s 10.8 Gbit/s	4K@30Hz
DP1.2	HBR2	21.6 Gbit/s	4K@60Hz
DP1.3/1.4	HBR3	32.4 Gbit/s	8K@60Hz

 

If you intend to watch a 4K TV, remember to use monitors and cables higher than DP 1.2 version. 

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