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DisplayPort verses HDMI

Xmultiple's Engineering Department


The three technologies, HDMI, DVI and Displayport are all commonly used today for connectivity of video and audio

DVI capability is for only video and therefore it is used only for computer displays and monitors. HDMI has become the standard today for all devices requiring both video and audio with one simple and compact cable and connectors. Most devices today have HDMI and this includes all television, and related video/audio equipment which work in the home and office.

DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to transmit audio, USB, and other forms of data.

The VESA specification is royalty-free. VESA designed it to replace VGA, DVI, and LVDS. Backward compatibility to VGA and DVI by using adapter dongles enables consumers to use DisplayPort fitted video sources without replacing existing display devices. Although DisplayPort has much of the same functionality as HDMI, it is expected to complement the interface, not replace it.

Displayport is becoming the industry replacement for outmoded display technologies such as DVI, LVDS and VGA and it”¦s currently being built into all new PC chipsets, GPU”¦s and display controllers from major silicon manufacturers. DisplayPort utilizes a state-of-the-art digital protocol and provides an expandable foundation to enable amazing digital display experiences. Designed for low power implementation and high performance, DisplayPort enables the next generation display technology while providing compatibility with existing equipment. Designed specifically for usage in space-constrained applications like ultra-thin notebooks, netbooks and graphic cards where connector space is at a premium and where display performance really matters.

Both HDMI and DisplayPort are designed as scalable solution for high performance digital display connectivity. Both enable the highest resolutions, the fastest refresh rates and deepest color depths over standard cables. DisplayPort has unique features and capabilities that enable exciting new types of displays and display usages. And it doesn”¦t require PC owners to replace all of their equipment because simple adaptors allow DisplayPort enabled devices to connect to monitors and projectors that use older technologies.

HDMI Licensing, LLC announced on October 25, 2011 that there were over 1,100 HDMI Adopters and that over 2 billion HDMI-enabled products had shipped since the launch of the HDMI standard.[14][15] From October 25, 2011, all development of the HDMI specification became the responsibility of the newly-created HDMI Forum.

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