DisplayPort and HDMI both carry video and audio over a single cable, and for a lot of setups either one is fine. The differences start to matter when you push high resolutions and high refresh rates, or when you care about specific features like multi-monitor daisy-chaining or home-theater extras. The short version: HDMI rules the living room, DisplayPort rules the PC desk, and in 2026 the newest versions of each are close in raw capability.
What changed in 2026
- The latest standards narrowed the gap. DisplayPort 2.1 and HDMI 2.1 both comfortably drive 4K at very high refresh rates, so bandwidth is rarely the deciding factor for mainstream use.
- USB-C carries DisplayPort everywhere. DisplayPort Alt Mode over USB-C is now the norm on laptops, docks, and many monitors, which quietly made DisplayPort the more portable signal.
- Adoption still lags the spec. As always, a port version on a spec sheet does not guarantee full bandwidth. Verify the certified capability of your specific device and cable.
What each is best at
HDMI is the standard of the living room. It is on every TV, console, and AV receiver, and it carries features built for home theater: eARC for sending high-quality audio back to a soundbar, and CEC for controlling multiple devices with one remote. DisplayPort is the standard of the PC. It supports Multi-Stream Transport (MST) for daisy-chaining monitors, has long been tied to Adaptive-Sync, and dominates gaming monitors. If your interest is purely how smooth motion looks, read refresh rate vs response time in 2026.
Bandwidth and resolution
Exact numbers depend on version and cable, so treat these as rough guidance and verify current figures for your hardware.
| Standard |
Rough max data rate |
Comfortable target |
| HDMI 2.0 |
~18 Gbps |
4K at 60 Hz |
| HDMI 2.1 |
~48 Gbps |
4K at 120 Hz, 8K with compression |
| DisplayPort 1.4 |
~32 Gbps |
4K at 120 Hz with compression |
| DisplayPort 2.1 |
~80 Gbps |
4K at very high refresh, 8K |
Features compared
| Feature |
HDMI |
DisplayPort |
| Daisy-chain monitors (MST) |
No |
Yes |
| Audio return channel (eARC) |
Yes |
No |
| Consumer electronics control (CEC) |
Yes |
No |
| Variable refresh rate |
Yes |
Yes |
| Connector locking latch |
No |
Optional |
| Over USB-C |
Rare |
Common (Alt Mode) |
Which should you use
- Gaming PC and monitor: DisplayPort is usually the better default, especially for high refresh rates and variable refresh.
- Console and TV: HDMI 2.1 is the right choice, since consoles and TVs are built around it.
- Laptop or dock: USB-C with DisplayPort Alt Mode is often the cleanest path.
- Both ports available: pick by the feature you actually need — daisy-chaining points to DisplayPort, eARC points to HDMI.
Pitfalls to watch
- Cheap or uncertified cables silently cap bandwidth, so buy a cable certified for the rate you want.
- Port version marketing. A "2.1" label does not always mean full bandwidth is implemented. Check the fine print.
- Adapters can be limited. Passive HDMI-to-DisplayPort conversions are often one-directional and capped.
- 8K and very high refresh frequently rely on Display Stream Compression, which is visually lossless but worth knowing about.
FAQ
Is DisplayPort better than HDMI for gaming?
On a PC, usually yes, thanks to high refresh support and variable refresh on monitors. On a console, HDMI 2.1 is the intended connection.
Can I convert HDMI to DisplayPort?
Sometimes, but active adapters and correct direction matter. Passive adapters often will not work as expected.
Does the cable really matter?
Yes. An underspecified cable can cap your resolution or refresh rate even when both devices support more. Buy one certified for your target.
Which supports 4K at 120 Hz?
Both HDMI 2.1 and DisplayPort 1.4 or newer can, given a proper cable and a source that outputs it.
Where to go next