The only difference in an HDMI cable is what version of HDMI it supports. As the spec has evolved, new cables are needed to be able to transmit all the information.
An HDMI 2.1 TV with an HDMI 1.0 cable will not be able to use all the HDMI 2.1 features from whatever is connected to it.
Beyond that, it’s all bullshit. HDMI is a digital signal, and you either get 100% of the signal or you get significant data loss. You can’t get a sharper image or any of the other marketing bullshit they try and pass off on those expensive cables.
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