Which HDMI 2.1 Feature Do You REALLY Need on Your 2019 TV?

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Published May 29, 2025

We explain what is the benefit of various HDMI 2.1 features, so you can decide which one you really need on your next TV purchase in 2019.

- Dynamic HDR: 2:00
- Higher bandwidth/ frame rate/ resolution: 3:35
- Variable refresh rate (VRR): 6:47
- Auto low latency mode (ALLM): 7:39
- Enhanced ARC (eARC): 9:39
- TV brand overview table: 13:19

Thanks to Adam Fairclough, Eric Beeckmans and Chris Heinonen for their help with accurate information in this video.

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