Both work for video and audio, but each shines in different setups. Consider:

• PC monitors and high refresh rates: DisplayPort is commonly favored on desktops for higher bandwidth on many GPUs and monitors, which can help with 120Hz, 144Hz, or higher—depending on device support.
• TVs and living rooms: HDMI is the standard on most televisions, media streamers, and game systems, so it’s often the simpler choice there.
• Version matters: Compare your device ports (e.g., DP 1.4/2.1 vs. HDMI 2.0/2.1). Pick a cable that matches the highest shared capability.
• Practical tips: Keep cables reasonably short for demanding resolutions, and look for clear specs in the listing.

Actual performance depends on the devices, their settings, and the cable you use.

A DisplayPort (DP) cable carries digital video and audio from a source (like a desktop or laptop) to a display. It’s designed for modern monitors and supports features such as high resolutions, high refresh rates, HDR, and content protection when the connected devices support them.

• Common uses: Gaming monitors, productivity displays, and multi-monitor PC setups.
• Connector types: Full-size DP, Mini DP, and USB-C to DP cables exist for different ports.
• Direction matters: Some DP-to-HDMI/VGA cables are one-way; check the listing for direction and supported formats.
• Fit and finish: Many DP cables include latches for a more secure connection.

Capabilities vary by device, DP version, and cable quality.

The main difference is potential bandwidth and headroom for resolution and refresh rate.

• DP 1.4: Up to 32.4 Gbps signaling. Often used for 4K at high refresh rates and even 8K in certain scenarios with compression. Look for terms like HBR3 and DSC in listings.
• DP 2.1: Up to 80 Gbps signaling on supported devices, providing more room for very high resolutions and refresh rates (for example, 8K at higher refresh or beyond) when hardware supports it.
• Real-world tip: The link runs at the capability of the slowest component—your source, display, and cable. If your devices are DP 1.4, a DP 2.1 cable won’t increase performance by itself.

Check your gear’s specs and choose the cable that meets your needs.

Direction is the key. DisplayPort and HDMI use different signaling, so you’ll want the right cable or adapter for your setup:

• DP source → HDMI display: A DP-to-HDMI cable or adapter can work. Many DP outputs support this, but confirm the cable is labeled for DP-to-HDMI and check its max resolution/refresh.
• HDMI source → DP display: You typically need an active HDMI-to-DP adapter that converts the signal. A simple DP-to-HDMI cable won’t work in this direction.
• Read the listing: Look for “uni-directional” notes and verify supported formats.

Results can vary by device, so always confirm port capabilities and adapter specs.

For many setups, a high-quality DP 1.4 cable that supports HBR3 and DSC can handle 4K at high refresh rates when both your graphics card and monitor support those features. DP 2.1 cables offer even more bandwidth and can provide extra headroom for demanding formats.

• Check device specs: Confirm your monitor and GPU support 4K 144Hz and whether they require compression (DSC).
• Cable quality: Look for clear bandwidth/resolution claims and, when possible, recognized certifications.
• Keep it short: Shorter runs can help signal stability at high refresh rates.

If you don’t see 144Hz, try different ports, double-check settings, or test another cable.