Key takeaways
- Bandwidth: HDMI 2.1 offers very high bandwidth; DisplayPort 1.4 is slightly lower but uses DSC to reach the same high-refresh 4K, and newer DisplayPort raises the ceiling further.
- Device support: DisplayPort is standard on PC GPUs; HDMI 2.1 is standard on consoles and TVs.
- Features: DisplayPort supports MST for daisy-chaining monitors; HDMI 2.1 adds TV features like eARC and auto low-latency mode.
- VRR: both support variable refresh rate for tear-free gaming.
- Cable certification matters: use certified cables to guarantee the rated bandwidth.
- Adapters: DP-to-HDMI and splitters exist but can limit refresh or features.
What's inside
The cable you use to connect your gaming monitor is not an afterthought, it determines the maximum resolution, refresh rate, and features you can actually use. In 2026 the two standards that matter are DisplayPort and HDMI 2.1, both capable of high-bandwidth 4K high-refresh gaming. Choosing between them comes down to your devices, your monitor’s ports, and whether you game on PC, console, or both.
This comparison explains the real differences between DisplayPort and HDMI 2.1, where each has the edge, and which to plug in for your setup. Spoiler: for most PC gamers it barely matters, but there are specific cases where one is clearly better.
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Watch: DisplayPort vs HDMI 2.1 for Gaming — Video Review
Quick Verdict
For PC gaming, DisplayPort is the traditional go-to, with high bandwidth and universal support on graphics cards, making it the safe default for high-refresh monitors. HDMI 2.1 matches or exceeds it in bandwidth and is essential for modern consoles and TVs, so console gamers and living-room setups should prioritize it. Use DisplayPort on PC, HDMI 2.1 for consoles, and either works for high-refresh 4K.
Key Differences
- Bandwidth: HDMI 2.1 offers very high bandwidth; DisplayPort 1.4 is slightly lower but uses DSC to reach the same high-refresh 4K, and newer DisplayPort raises the ceiling further.
- Device support: DisplayPort is standard on PC GPUs; HDMI 2.1 is standard on consoles and TVs.
- Features: DisplayPort supports MST for daisy-chaining monitors; HDMI 2.1 adds TV features like eARC and auto low-latency mode.
- VRR: both support variable refresh rate for tear-free gaming.
- Cable certification matters: use certified cables to guarantee the rated bandwidth.
- Adapters: DP-to-HDMI and splitters exist but can limit refresh or features.
DisplayPort
DisplayPort is the PC gaming standard. Graphics cards typically include multiple DisplayPort outputs, and it comfortably drives high-refresh 1440p and 4K monitors, using Display Stream Compression to reach the highest modes without visible quality loss. It also supports MST, letting you daisy-chain or split to multiple displays.
Its main limitation is on the living-room side: TVs and consoles rarely use DisplayPort, so it is less relevant there. For a desktop PC gaming setup, though, a certified DisplayPort cable is the reliable choice for getting full refresh and VRR from your monitor.
HDMI 2.1
HDMI 2.1 brought a huge bandwidth jump, enabling 4K at high refresh and 8K support, and it is the standard for modern consoles and gaming TVs. If you game on a console or connect your PC to a big-screen TV, HDMI 2.1 is essential, and it adds TV-centric features like eARC audio and auto low-latency mode.
On PC monitors, HDMI 2.1 has become common and works just as well as DisplayPort for high-refresh 4K. The key is using a certified HDMI 2.1 cable and confirming both the source and display support the full standard, since some ports are labeled 2.1 but limited.
Which Should You Buy?
- Use DisplayPort for a desktop PC with a high-refresh monitor, it is the standard and always available on GPUs.
- Use HDMI 2.1 for consoles, gaming TVs, or connecting a PC to a living-room display.
- For high-refresh 4K on PC, either works, choose based on available ports.
- Always buy certified cables to guarantee the rated bandwidth and features.
- Avoid cheap adapters and splitters when you need full refresh, they often cap it.
Frequently Asked Questions
Is DisplayPort better than HDMI 2.1 for gaming?
On PC, DisplayPort is the reliable default and universally present on GPUs. HDMI 2.1 matches it for high-refresh 4K and is essential for consoles and TVs. Neither is strictly better; it depends on your devices.
Do I need a special cable for high refresh?
Yes. Use a certified DisplayPort or HDMI 2.1 cable rated for the bandwidth you need. Uncertified or old cables can cap resolution or refresh rate.
Can I use an adapter between the two?
Adapters exist, but many limit refresh rate or drop features like VRR. For best results, connect natively with the correct cable rather than converting.
Which should I use for a PS5 or Xbox?
HDMI 2.1, consoles use HDMI, and 2.1 unlocks 4K high-refresh and VRR features on compatible displays.
Final Verdict
DisplayPort and HDMI 2.1 are both capable of everything a modern gamer needs, so the choice follows your hardware. DisplayPort is the natural pick for a desktop PC gaming monitor, while HDMI 2.1 is essential for consoles and TVs and equally good on PC. Whichever you use, buy a certified cable and confirm both ends support the full standard.
