2023-09-29 17:40:00
DisplayPort and HDMI are two distinct standards for transmitting video and audio from a player to a monitor. But what’s the difference between DisplayPort and HDMI, other than the clearly distinct connectors? After all, were they designed to do the same thing?
Are DisplayPort and HDMI formats competing? Well, not exactly. Although HDMI and DisplayPort serve the same purpose (which is to send high-definition digital video and audio from a source device to a display), they were in fact designed from different perspectives.
Emergence
O HDMI (High-Definition Multimedia Interface) was introduced in 2003 by a consortium of display manufacturers including Sony, Philips, Panasonic and Toshiba – large corporations focused primarily on image reproduction devices. This is why HDMI is the most common standard in devices such as televisions, projectors and home computers: this conductive audio and video interface is the result of a consensus among the largest monitor and TV companies in the world.
A few years later, in 2006, another large consortium of PC and chip manufacturers worked to create the DisplayPort (DP), a monitoring of standards VGA e DVI older. The main purpose of DisplayPort was to replace inputs like VGA, FPD-Link and DVI. Therefore, it is backwards compatible with all of these, plus HDMI, through adapters.
For example: I have a relatively new video card, it has the following inputs: 1x HDMI 2.0b and 3x DisplayPort 1.4a. How do I connect it to my old monitor that only has a VGA output? Simple, using a DisplayPort to VGA adapter. Just plug it in and you’re ready. This backwards compatibility is one of the strongest points of DisplayPort input.
VGA to DisplayPort Adapter
Connectors
or connector HDMI It has 19 pins and four different sizes, which are:
Type A (standard) Type C (mini) Type D (micro) Type E (for vehicles)
Type A is the most common and most used, while Type E is used for automotive applications. The HDMI standard usually comes with screws to secure the cable to the socket, so the lock prevents the cables from being pulled and interrupted.
Examples of the types of each connector.
The connector of the DisplayPort comes with 20 pins and has only two sizes, the Standard DisplayPort and the DisplayPort Mini. The interface features the same locking mechanism mentioned above, but only on full-size connectors, because the official specification does not require it.
Cabos HDMI
If using a cable HDMI, you must pay attention to the cable standard you are using, as each cable is aimed at a specific task, and if used for something it is not intended for, it may present audio and video synchronization bugs. There are currently 4 HDMI cable standards, with one more about to be released with the latest 2.1 specification.
See below the current HDMI cable versions:
Standard HDMI cable: bandwidth indicated only for videos with resolutions of 720p and 1080p;
Standard HDMI cable with Ethernet: same bandwidth, but supports Ethernet up to 100Mbps.
High Speed HDMI Cable: high bandwidth, being able to transmit videos with resolutions of 1080p above, up to 4K and 3D.
High Speed HDMI Cable with Ethernet: same bandwidth conditions as the previous one, but with support for Ethernet of up to 100Mbps.
Update: HDMI 2.1 is out! Check the table below for technical information.
In addition to the features mentioned above, all modern HDMI ports must support the technology FreeSync from AMD, which eliminates visual stuttering in games by matching the monitor’s refresh rate to the graphics card’s frame rate. HDMI, however, doesn’t support Nvidia’s G-Sync technology – for that, you need DisplayPort.
HDMI version
Again
Resolution and Refresh Rate
Maximum Data Rate
1.0
2002
1080p @ 60 Hz
4.95 Gb/s
1.1/1.2
2005
1080p @ 60 Hz |1440p @ 30 Hz
4.95 Gb/s
1.3/1.4
2009
1080p @ 144 Hz | 1440p @ 75 Hz | 4K @ 30 Hz
10.2 Gb/s
2.0
2013
1080p @ 240 Hz | 4K @ 60 Hz | 8K @ 30 Hz
18.0 Gb/s
2.1
2017
1080p @ 240 Hz | 4K @ 240 Hz | 8K @ 120 Hz
48.0 Gb/s
In terms of material used in cables, copper is generally the most common. Signals can also be transmitted via CAT 5 or CAT 6 cables, coaxial cables or via fiber. Cables that have built-in integrated circuits designed to amplify the signal are considered “active”, and are longer and thinner than “passive” cables.
Adapter that connects DisplayPort to HDMI.
Cabos DisplayPort
O DisplayPort is more restricted, as it cannot carry Ethernet data and also does not have a channel for audio return in the standard option, only transmitting multichannel digital audio. Along with an adapter, it is possible to make a DisplayPort cable to connect a DisplayPort source that goes to a VGA monitor. These adapters also allow you to connect a DisplayPort cable to a DVI or HDMI single-link display. HDMI cables can only be connected to the DVI interface with the adapter.
DisplayPort version
Again
Resolution and Refresh Rate
Maximum Data Rate
1.0
2006
1080p @ 144 Hz |1440p @ 60 Hz
5.18/8.64 Gbps
1.1
2007
1080p @ 144 Hz |1440p @ 60 Hz
8.64 Gbps
1.2
2009
1080p @ 240 Hz | 4K @ 60 Hz
17.28 Gbps
1.3
2014
1080p @ 360 Hz | 4K @ 120 Hz | 8K @ 60 Hz
25.92 Gbps
1.4
2016
1080p @ 380 Hz | 4K @ 120 Hz | 8K @ 60 Hz
25.92 Gbps
1.4a
2018
1080p @ 380 Hz | 4K @ 120 Hz | 8K @ 60 Hz
25.92 Gbps
2.0
2019
1080p @ 380+ Hz | 4K @ 240 Hz | 8K @ 60 Hz
77.36 Gbps
This may seem less powerful than HDMI (especially considering the capabilities of HDMI 2.1), but DisplayPort is present in some of the best monitors – like the Acer XR382CQK, and it has some advantages too.
Firstly, it supports AMD’s FreeSync and Nvidia’s G-Sync, so you get a tear-free gaming experience no matter which one you use (as long as your monitor supports the technology, of course). Additionally, you can drive multiple displays from one DisplayPort connection rather than using multiple ports, which is useful. Notebooks can even send DisplayPort signals through a USB-C port.
Audio and video
At this point, it is the HDMI which loses points, because with it you can only get a single audio stream and only one video stream, that is, you can only transmit to one screen or monitor at a time. It’s a negative point if you think about the number of people who use more than one monitor nowadays.
Already with a cable DisplayPort if it goes further. An interface guarantees transmission to up to four monitors with a resolution of 1920×1200, or even two monitors of 2560×1600. Each screen receives audio and video streams. In some cases, depending on the GPU, it is also possible to set up a connection to join six monitors into a single source.
Which one to choose?
In conclusion, you should keep in mind that the port you choose depends on the capabilities of your monitor, and the capabilities you need. DisplayPort is a little more versatile, but if your monitor only offers the choice between HDMI 2.0 and DisplayPort 1.2, HDMI may be the better choice. This is because HDMI 2.0 supports HDR and DisplayPort 1.2 does not. Naturally, you’ll need to consult your monitor’s specifications to decide which port to use in your specific setup.
If you are using a gaming monitor with a refresh rate of 144 Hz or higher, we recommend using a DisplayPort cable. There are several compatibility issues with HDMI ports, and finding them may be a task you don’t want to do. The problem could be with the cable, the HDMI port on your monitor, the HDMI port on your video card or even the drivers. When in doubt, use DisplayPort for high refresh rates.
One of the biggest positives of the HDMI input is that it is on everything! Notebooks, new and old computers, TVs, SmartTVs, etc. If an electronic device has a video output, you can bet it will be HDMI. And, like DisplayPort, HDMI is backwards compatible with all its previous versions. This means that you can plug an HDMI 2.1 cable into a 2006 TV and it will work, under the limitations of the older input, obviously. This versatility is incredible.
In short: Is it a gaming monitor? DisplayPort. Anything else? HDMI.
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