USB-C to DisplayPort vs HDMI: Which Monitor Cable?

Quick answer

For most USB-C laptops connecting to a high-refresh monitor, a USB-C to DisplayPort cable is the simpler choice because it carries video directly without an adapter and supports up to 8K 60Hz or 4K 144Hz on compatible hardware. Choose USB-C to HDMI instead when your monitor only has HDMI, when you need to connect a TV or projector, or when your laptop's USB-C port does not output DisplayPort. If your monitor has both, match the cable to the port that supports the highest refresh rate your laptop can drive.

What each cable actually does

A USB-C to DisplayPort cable carries DisplayPort video from a USB-C port that supports DisplayPort Alt Mode directly to a monitor's DisplayPort input. It is a straight passive cable in most cases, so there is no adapter to lose or power. A USB-C to HDMI cable does the same job for HDMI monitors, but HDMI is more common on TVs, projectors, and older displays, while DisplayPort is more common on gaming monitors and business displays.

The practical difference is not just the plug shape. DisplayPort 1.4 and HDMI 2.1 support different maximum resolutions and refresh rates, and your laptop's USB-C port must support the video standard you plan to use. Check your laptop manual or the port's spec sheet before assuming either cable will hit 4K 144Hz.

Refresh rate and resolution trade-offs

If you want 4K at 144Hz or 8K at 60Hz, DisplayPort 1.4 over USB-C is often the more direct path on compatible laptops. HDMI 2.1 can also reach high refresh rates, but only if both the laptop and the monitor support HDMI 2.1, and many USB-C to HDMI cables are limited to HDMI 2.0 speeds. That means a USB-C to HDMI cable may cap you at 4K 60Hz even when your monitor could do more.

For 1080p or 1440p at 60Hz to 144Hz, either cable type usually works if the laptop supports it. The bottleneck is more often the laptop's GPU and USB-C port than the cable itself. If you are unsure, start with the monitor's highest-spec input and choose the cable that matches it.

When a USB-C video adapter makes sense

A USB-C video adapter is useful when you need to connect to a monitor that only has HDMI, or when you want to switch between DisplayPort and HDMI without buying two cables. Adapters can add bulk and another failure point, but they are handy for travel or hot-desking. If you mostly use one monitor, a single cable is cleaner and less likely to introduce signal issues.

For fixed installations, such as a printer or industrial enclosure, a panel-mount USB cable like the USB 2.0 Printer Cable – USB A Male to USB B Male Screw Panel Mount Cable solves a different problem: keeping the connector locked in place. It is not a video cable, but it is worth knowing if your setup mixes data and video runs.

Cable quality and length

Passive USB-C to DisplayPort cables work well at short lengths, typically up to 2 metres. Longer runs may need active cables or fibre optic versions, which cost more. HDMI cables can run longer passively, but high refresh rates at 4K and above still benefit from shorter, certified cables. For a tidy desk, measure the distance from your laptop port to the monitor input and add a little slack.

Gold-plated connectors and shielding help with signal stability, but they do not change the maximum resolution or refresh rate. Focus on the cable's rated specification first, then consider build quality for durability.

Trade-offs at a glance

• USB-C to DisplayPort: Direct connection to DisplayPort monitors, often supporting higher refresh rates like 4K 144Hz or 8K 60Hz on compatible laptops. No adapter needed, but your laptop must support DisplayPort Alt Mode. Best for gaming monitors and high-resolution displays with DisplayPort.
• USB-C to HDMI: Works with TVs, projectors, and most consumer monitors. HDMI 2.1 can match high refresh rates, but many USB-C to HDMI cables are limited to HDMI 2.0, capping 4K at 60Hz. Best for mixed use and displays that only have HDMI.
• USB-C video adapter: Adds flexibility to switch between DisplayPort and HDMI, but introduces another connection point and potential signal loss. Useful for travel or shared desks. Choose an adapter only if you regularly connect to different monitor types.

Product facts

• USB-C to DisplayPort 1.4 Cable – 8K 60Hz / 4K 144Hz – HDR – MacBook, Laptop Compatible – UK Stock: USB-C to DisplayPort 1.4 cable supports up to 8K 60Hz and 4K 144Hz, plug and play with no drivers required. Ideal for high-refresh gaming monitors and MacBooks or laptops that support DisplayPort Alt Mode, letting you skip an adapter and reach higher refresh rates than many USB-C to HDMI cables.
• USB 2.0 Printer Cable – USB A Male to USB B Male Screw Panel Mount Cable: USB 2.0 Type A Male to Type B Male panel mount cable with screw-lock design for secure fixed installations. Useful for printers, scanners, and industrial equipment where a standard USB cable could be pulled loose; it is not a video cable, so use it for data devices only.
• USB-C to Micro USB 3.0 Type-B Locking Screw Cable – Right Angle: Industrial USB-C to Micro USB 3.0 Type-B locking screw cable with right-angle design for cameras and machine-vision equipment. A specialised data cable for industrial devices, not monitors; it shows that locking connectors matter when vibration or accidental disconnection is a risk.

Which cable should you choose?

Best for

• Laptop users with a USB-C port that supports DisplayPort Alt Mode and a monitor with DisplayPort input
• Gamers or creators who need 4K 144Hz or 8K 60Hz on compatible hardware
• Anyone who wants a single cable without an adapter

Not for

• Monitors that only have HDMI inputs
• Laptops whose USB-C port does not output video
• Situations where you need to connect to a TV or projector with HDMI