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HDMI 2.1 cables don't work with HDMI 2.0 TVs and nobody warned you

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HDMI 2.1 cables don't work with HDMI 2.0 TVs and nobody warned you

Kanika began writing about consumer technology in 2019 and has contributed to tech websites like Beebom and The Mac Observer. During her journey, she covered a wide range of topics, including Android, Windows, AI, and everything Apple. She has been a loyal iPhone user since 2014, and owns an Apple device from almost every lineup. With a keen eye on the latest trends, she strives to help users get the most out of their gadgets.
Beyond her love for writing, she is a deep researcher and a lifelong learner, always eager to explore the latest innovations and emerging technologies. With her passion for technology and writing, she joined MUO in 2025 as a Freelance Tech Writer.
When not writing, she's probably trying a viral Instagram recipe or watching some thriller suspense on Netflix.

You've got a shiny new HDMI 2.1 cable. It’s rated for 48Gbps, boasting 4K at 120Hz and all the buzzwords that can future-proof your home entertainment. You plugged it into your TV, and nothing changed. You don’t experience 120Hz or any extra sharpness. And you wonder why you’ve spent extra money on a better cable.

Well, an HDMI 2.1 cable can fit and work with an HDMI 2.0 TV. The connector is the same, so the cable still fits into the port, and your devices can communicate with each other. Since the HDMI connections are backward compatible, an HDMI 2.1 cable will show picture and sound on an HDMI 2.0 TV.


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