This is another norm issued by the HDMI Forum that classifies HDMI cables according to the maximum data rate they allow, and therefore the maximum image quality they can transfer.
They don’t apply to HDMI cables, even though the marketing claim “HDMI 2.0 compatible” is frequently added to their packaging. Therefore, HDMI 1.4, HDMI 2.0 and HDMI 2.1 standards only apply to the connectors on LED TVs and both OLED and QLED 4K Ultra HD TVs, projectors and 4K Ultra HD projectors, 4K UHD A/V receivers, Blu-ray players and 4K Ultra HD Blu-ray players as well as other 4K Ultra HD compatible sources or streamers. Extended color spaces such as BT.2020 are supported, along with chroma subsampling up to 4:4:4. HDMI 2.0 standard: 4K Ultra HD compatible (3840 x 2160 pixels) at 24, 25, 30 and 60 fps, HDR compatible (HDR10, HDR10+, HLG and Dolby Vision).HDMI 1.4 standard: 4K Ultra HD compatible (3840 x 2160 pixels) at 24, 25 and 30 fps, and 3D compatible.Consequently, it is necessary to use an HDMI cable capable of transferring data at a higher bitrate in order to stream the image. When the resolution of an image is increased, the amount of detail is increased, but so is the image’s weight.
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