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HDMI vs DisplayPort for Monitors

Choose the connection based on actual resolution, refresh rate and device capabilities.

Reviewed November 4, 2026 · CableAtlas Editorial Desk · Approximately 4-minute read

Key principle: A connection works only when the devices, ports, cables, and adapters support the required feature together. Always verify your specific device model.

Start with the display target

Write down your desired resolution and refresh rate, such as 2560×1440 at 144 Hz. Those requirements are more useful than asking which connector is newer.

Look up exact port versions

The supported features depend on the specific port implementation and device, not merely the presence of HDMI or DisplayPort.

Consider adapters

Passive and active adapters behave differently. Some adapters work only in one direction. Check the supported direction, resolution and refresh rate.

Troubleshooting a capped refresh rate

Verify the monitor input setting, computer display setting, cable rating, graphics hardware, and whether a dock reduces bandwidth.

Best practical choice

Use the interface and cable combination explicitly supported by both your computer and monitor at your target mode.

Verification checklist

  1. Find the exact model numbers of both devices.
  2. Read the official manufacturer specification for each port.
  3. Check the cable or adapter rating and required direction.
  4. Test a direct connection before adding hubs or docks.
  5. Record what worked so you can repeat the setup.
This guide is general educational information. Standards and capabilities change; device-specific documentation takes precedence. See our editorial policy and send a correction.

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