DisplayPort vs HDMI: What are the Differences?
Updated at Dec 4th 20241 min read
DisplayPort and HDMI are two widely utilized interfaces for transmitting video and audio, commonly employed to connect devices such as computers, servers monitors and kvm switches in working environment. Both interfaces fulfill the primary function of delivering high-quality audio and video signals. However, they exhibit distinct differences. This article aims to elucidate the differences between DisplayPort and HDMI interfaces and highlight their respective advantages thus helping customers to make better choices.
What is DisplayPort?
DisplayPort is a digital display interface standard developed by the Video Electronics Standards Association (VESA) and introduced in 2006. It can transmit both video and audio signals and was designed to supersede older analog standards, such as VGA and DVI.
DP 1.4 represents the fourth major revision of the DisplayPort standard, officially announced in March 2016. This version introduces several enhancements and improvements over its predecessor, DP 1.3, particularly in terms of bandwidth, resolution support, and additional features.
DisplayPort is widely utilized in computers and other devices that necessitate high-definition video and audio output, such as monitors and projectors.
What is HDMI?
HDMI, which stands for High-Definition Multimedia Interface, is a standardized technology for transmitting high-quality audio and video signals. This standard was developed by Hitachi, Matsushita, and Sony to serve as a replacement for analog audio/video cables such as the DVI connector, which still sees use in certain applications.
Initially introduced in 2002 as version 1.0, HDMI has undergone multiple updates over the years, the most recent being version 2.1, released in 2017. The most significant enhancement of HDMI 2.1 is its capability to support video output at 4K resolution with a refresh rate of 120 frames per second (fps) and 8K resolution at 60 fps.
HDMI is a widely used connection standard in consumer electronics, including items such as televisions, gaming consoles, and Blu-ray players. Furthermore, it is utilized in various professional settings, including projectors and cameras.
Differences Between DisplayPort and HDMI
DisplayPort and HDMI each offer distinct features and capabilities. While both interfaces are able to transmit high-definition multimedia content, they differ significantly. Understanding these differences is essential for selecting the appropriate interface based on specific requirements.
1. Bandwidth: DisplayPort typically offers greater bandwidth, facilitating higher resolutions and refresh rates.
2. Multiple Displays: DisplayPort is capable of supporting multiple monitors simultaneously, whereas HDMI is generally limited to a single display.
3. Audio Return Channel: HDMI includes the ARC feature, which is absent in DisplayPort.
4. Locking Mechanism: DisplayPort cables incorporate a locking mechanism to prevent unintentional disconnections.
5. Prevalence: HDMI is more commonly found on televisions, while DisplayPort is more frequently utilized in PCs and gaming monitors.

Summary
DisplayPort and HDMI's key distinctions decide their different application. HDMI is more widely adopted and prevalent, while DisplayPort is more suited for high-resolution displays due to its ability to transmit more data. Choosing which interface to use depends on your specific needs.
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