This HDMI fragmentation is also why some of the latest HDMI 2.1 TVs don’t support VRR: it is not a given just because you have an HDMI 2.1 socket. It will be less of a headache by the end of
It works because all HDMI 2.1 certification does is certify that the cable is built well enough to handle the signal at the proper bandwidth. And all HDMI 2.0 says is the cable also hit those minimum standards. Other than quality the actual cable between HDMI 2.0 and HDMI 2.1 is the same.
Monitors with HDMI 2.0 ports sometimes also limit resolution/refresh rate capabilities with that port even if technically it would have enough bandwidth. Thus saying to "avoid HDMI" is easier advice than trying to explain the nuances of different port versions, cables etc. The likelihood of having DP 1.4 support is still higher than having a
Answer: HDMI 2.1 adds optional support for variable refresh rate technology, dynamic HDR, DSC, ALLM, up to 10K screen resolution, 4K at 120Hz, and many more features. In December 2017, HDMI Forum revealed the final specifications for HDMI (High-Definition Multimedia Interface) version 2.1. These include optional support for higher refresh rates
At CES 2021, just one gaming laptop announced support for HDMI 2.1, the Alienware m15 R4. That might not sound too promising, but all evolutions in technology start small, especially when it comes
You can get it in different sizes---up to 49 feet long! $130 at Amazon. Depending on the HDMI generation, the length of an active or an optical HDMI cable can be anywhere between a few dozen to 100 feet. If you need even more length than a single active or optical HDMI cable can offer, you will have to employ HDMI cable extenders.

For instance, HDMI 2.0, the prominent HDMI version today, comes with 18Gbps bandwidth, compared with 48 Gbps for HDMI 2.1. It's a similar story for supported resolutions and frame rates

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    • does hdmi 2.0 work with 2.1