You can determine if your existing cable is adequate in one of two ways. Check if the cable is labeled as High Speed, Premium High Speed, or Ultra High Speed. If your HDMI cable doesn’t clearly specify what type it is, you might be able to look it up if the manufacturer and part number are printed on the cord.
How can I tell if my HDMI cable is 4K?
If you want to make sure that your HDMI cable supports Ultra HD 4K resolution, you have to look for the HDMI High Speed logo on the cable’s packaging. This is what a typical High Speed label looks like. Some cables may have the High Speed label on them.
How can you tell the difference in HDMI cables?
How can I tell the difference in HDMI cables? If you have access to the cable packaging, look for labels that tell you which HDMI versions they work best with, such as Premium High-Speed (for HDMI 2.0). Most HDMI cables have two Type-A connectors that fit into HDMI ports in TVs, monitors, set-top boxes, and more.