The Cable Matters Ultra 8K HDMI Cable (2m) can use HDMI to support 8K Ultra HD (up to 8K@120Hz or 4K@144Hz), 4K HDR, Dolby Vision HDR, and 48 Gb/s for its 2 m/6.6 ft cable. You can use this cable to connect to your 8K/4K or HD TV's or displays, as well as computers or other devices that support HDMI.
Using the GRL DI20 cable tester to test the insertion loss (IL) through the Cable Matters Ultra 8K HDMI Cable (2m), we can see the cable has better overall signal integrity performance when compared to the Belkin Ultra HD High Speed HDMI Cable (2m) even though they are the same length. The Cable Matters Ultra 8K HDMI Cable (2m) also has lower loss under 10 GHz compared to the Belkin Ultra HD High Speed HDMI Cable (2m).
The GRL DI20 takes this data to produce a delta IL curve which graphically shows the average loss difference and maximum loss difference between the Cable Matters and Belkin cables. We can observe that on average, the Belkin cable has -3.8 dB more loss compared to the Cable Matters cable. The Belkin cable shows the most loss (-9.8 dB) @ 10 GHz.