DisplayPort is a digital display connection used to output video and audio from your laptop to a video display, such as a monitor. While some TVs come with DisplayPort connections, it is more commonly found on PCs and PC monitors.
Originally designed to replace VGA and DVI connections between computers and monitors, it has become the most advanced display connection available on laptops today.
The latest iteration is DisplayPort 2.0 released in 2019, which has an increased bandwidth up to 77.37Gbps. Unlike other connections, DisplayPort allows multiple monitors to be run off of a single connection.
Additionally, DisplayPort supports both AMD’s FreeSync and Nvidia’s G-Sync technology, allowing for so-called “tear-free gaming” (so long as your monitor supports these technologies as well). Each iteration of DisplayPort has seen improvements in data rate as well as higher resolution and higher refresh rates:
DisplayPort 1.2: Supports up to 4K resolutions at 60Hz
DisplayPort 1.3: Supports up to 4K resolutions at 120Hz or 8K resolutions at 30Hz
DisplayPort 1.4: Supports up to 8K resolutions at 60Hz and supports HDR
DisplayPort 2.0: Supports 16K resolutions (with HDR) at 60Hz and 10K resolutions (without HDR) at 80Hz
Most laptops nowadays use the smaller, mini DisplayPort connection or use USB Type-C ports to send out DisplayPort signals. Unlike regular DisplayPorts, mini DisplayPorts will need a multi-stream Transport (MST) hub to output to more than one display.
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