HDMI Versions Are Confusing — Here’s What They All Mean

Every HDMI Version Explained in Detail

Confused by HDMI versions, cables, ARC vs eARC, 4K, 120Hz, VRR, and HDMI 2.1? This video explains every HDMI version in detail, from HDMI 1.0 to HDMI 2.1, and what those numbers actually mean for your TV, console, PC, and sound system. We break down HDMI bandwidth, refresh rates, HDR support, gaming features, and the biggest misconceptions about HDMI cables.

Learn why HDMI versions apply to ports, not cables, which cable types you actually need, and why expensive HDMI cables don’t improve picture quality. We also explain ARC vs eARC, common setup mistakes, and why many “HDMI 2.1” TVs don’t support all HDMI 2.1 features. If you use a PS5, Xbox Series X, 4K TV, soundbar, or gaming monitor, this video clears up everything manufacturers don’t explain.
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Disclaimer: At Tech in a Teacup, we do our best to research, fact-check, and simplify complex tech topics into clear explanations. Still, technology evolves quickly, and occasional mistakes, mispronunciations, or oversights may happen. Our content is for educational purposes only and should not replace official documentation or professional advice. If you spot an error or have a correction, please share it kindly in the comments, we’re always learning and improving, video by video. Thanks for being part of this journey with us!