No, HDMI cables are not all the same. While HDMI is a digital standard, which means either the signal works or it doesn’t, it’s not immune to interferences and signal degradation, particularly over longer lengths. The purity of the copper, overall cable quality, and connector construction significantly impact performance, so you can get a dramatically longer-lasting cable that transfers a better signal. High-quality cables, like Lindy’s Gold Line of HDMI and DisplayPort cables, illustrate how cable variations can make a difference. These cables offer enhanced signal transmission and outstanding durability, underlining the importance of choosing the right HDMI cable, particularly in more demanding or longer-distance setups.