HDMI 2.0 and HDMI 2.1 are the two latest versions of the HDMI standard. HDMI 2.1 is a significant upgrade over HDMI 2.0, offering higher resolutions, refresh rates, and bandwidth.
Key differences between HDMI 2.0 and HDMI 2.1:
| Feature | HDMI 2.0 | HDMI 2.1 |
|---|---|---|
| Maximum bandwidth | 18 Gbps | 48 Gbps |
| Maximum resolution | 4K (3840x2160) at 60Hz | 8K (7680x4320) at 60Hz |
| Maximum refresh rate | 4K at 120Hz | 8K at 120Hz |
| Dynamic HDR | No | Yes |
| eARC (Enhanced Audio Return Channel) | No | Yes |
| ALLM (Auto Low Latency Mode) | No | Yes |
| VRR (Variable Refresh Rate) | No | Yes |
| QMS (Quick Media Switching) | No | Yes |
| QFT (Quick Frame Transport) | No | Yes |
Which HDMI version should you choose?
If you have a new 4K TV or gaming console, you should choose HDMI 2.1. HDMI 2.1 will allow you to enjoy the full potential of your device, with support for high refresh rates, dynamic HDR, and other advanced features.
If you have an older 4K TV or gaming console, you may not need to upgrade to HDMI 2.1. However, if you plan on upgrading to a new device in the near future, it is a good idea to choose one with HDMI 2.1 support.
How to check if your device supports HDMI 2.1
To check if your device supports HDMI 2.1, consult the manufacturer's documentation. You can also look for the HDMI 2.1 logo on the device itself.
Conclusion
HDMI 2.1 is a significant upgrade over HDMI 2.0, offering higher resolutions, refresh rates, and bandwidth. If you have a new 4K TV or gaming console, you should choose HDMI 2.1.