Category. There are two categories of HDMI cables: the first is designed to support HDTV resolutions, other necessary for high resolution.
Length. Usually the HDMI cable has a length of from 3 to 50 inches. The longer the cable, the more expensive it is, and will also increase signal loss.
Active HDMI cables. For specialized purposes many manufacturers offer active HDMI cables. These cables use different technologies, which stimulated the transfer of data over large distances, improved quality of data due to power-up.
Price. Not only the HDMI cable should be high quality, but the connectors through which it communicates with the devices. Do not overpay for gold plated high quality cable with low-grade connector for connection to equipment.