HDMI 2.1 is the latest version of the HDMI standard, offering increased bandwidth, which allows for higher resolutions and refresh rates, such as 4K at 120Hz or 8K at 60Hz. It's particularly important for gamers using next-gen consoles like the PlayStation 5 or Xbox Series X, as it supports features like Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM). If you're looking to future-proof your TV for the latest in gaming and high-resolution content, HDMI 2.1 is a valuable feature. However, for most casual viewers who don't need those advanced features, HDMI 2.0 is still more than sufficient.
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