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New connection confusion: Fraudulent labeling of the HDMI 2.1 standard


If the USB mess is not enough, electronics buyers with HDMI 2.1 interfaces can no longer trust a name suitable for the future. Outdated HDMI 2.0 technology can embellish itself in a new rating, which misleads users.

At least since the introduction of the next gen consoles Xbox Series X. And PlayStation 5 (PS5) The name HDMI 2.1 is on everyone’s lips. Among other things, it represents high 4K resolution with up to 120 Hz upgrade rates, frequencies up to 48 Gbit / s and functions such as variable upgrade rate (VRR) and auto low latency mode (ALLM). But like colleagues DFT Central From the responsible HDMI Licensing Administrator, outdated HDMI 2.0 technology can be hidden behind the HDMI 2.1 feature – and it’s completely legitimate.
Overview of exclusive HDMI 2.1 functionality

Electronics buyers may be disappointed in the future

Xiaomi has exhausted the possibility of one 24.5 inch monitor Available at 240 Hz, including 1080p resolution and “HDMI 2.1” connections, only the known transient reduced signal (TMDS) is available instead of the HDMI 2.0 standard instead of the FRL. According to current HDMI 2.1 specifications, the FRL is required to achieve “high-resolution frequencies such as those above 4k60 and high-speed bands up to 48Gbps”.

Faced with this problem, the organization responsible for the HDMI license confirmed to the company On the edgeDevices will no longer be certified to the HDMI 2.0 standard in the future. Conversely, the HDMI 2.1 design has been softened, making the technologies initially mentioned considered optional. When asked if this does not lead to confusion among buyers, the response is: “We all specify the functions that manufacturers and resellers support for their devices.”

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In the future, buyers will only find out if the product’s detailed technical data or the desired advantages are hidden behind the HDMI 2.1 specification on the small axis. However, in the end, a positive example from the manufacturer shows that not all manufacturers trust the HDMI 2.1 Blender. Asus. He sells ROG Swift PG32UQX monitors with 4K resolution, 120Hz and VRR, but only the HDMI 2.0 standard, as the screen in this mode has only 8-bit color depth (HDMI 2.1 = 10 bit) at 4: 2. : 0 Chroma sub-model.

All of this is a reminder to be consistent Confusion over USB names There has been no improvement in the introduction of the USB4 standard, including “general” information and speeds between five and 40 Gbit / s.

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Data transfer, cable, connection, HDMI, data transfer, port, connections, networking, high definition multimedia interface, HDMI cable