Standard, High-Speed, Premium High-Speed, and Ultra High-Speed HDMI cables can also support an additional HDMI Ethernet Channel (HEC). These cables are made to allow multiple HDMI-connected devices to share a single traditional Ethernet connection to a broadband router at speeds of up to 100 Mb/sec. The implementation of this capability on
It is the one that allows to support the new bandwidth. While HDMI 2.0 is limited to 4K resolution and 60 frames per second or 8K at 30 fps , HDMI 2.1 supports a resolution of 10K at 120 fps without fuss. Come on, we have cable for a while. However, some features of HDMI 2.1 are fully compatible with the HDMI 2.0 cable, such as eARC.
HDCP 1.4 is typically used to secure full HD material, whereas HDCP 2.2 is an improved version used to protect 4K UHD. According to its capabilities, HDCP 1.4 supports full HD content. HDCP 2.2, however, is compatible with 4K super HD content. HDCP 2.2 continues to be important for 4K content even after HDMI 2.1 was out on the market.
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By Nicholas Di Giovanni. HDMI 2.1 is arguably one of the most significant upgrades to the HDMI standard. Originally announced in November 2017, HDMI 2.1 significantly increases HDMI's maximum bandwidth up to 48 gigabits/second (Gbps), and even more when compression is used. Although HDMI 2.1 sources were only recently made available, some TVs
HDMI cables are classified by type, with Ultra High Speed being the rating that will definitely support all HDMI 2.1 features. Cables with lower ratings may still work with newer HDMI version features, and the longer the cable is, the more important quality is, so if you've got a 1 meter 'High Speed with Ethernet' HDMI cable, it's more likely
HDMI 2.1 also makes a difference when performing 8K/ 60 using a 3090. I wish the Denon receivers (that support HDMI 2.1) were fixed, and cheaper (since I’d be using it, vs. eArc, as you’d need to plug it directly into the HDMI of the TV, since the receiver would be using 2.0 to the TV).
