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Definition: 8K TV


The highest-resolution TV with four times as many pixels as a 4K TV. An 8K TV was prototyped by Japan Broadcasting Company in 2003, and the scenes were so realistic that people experienced slight dizziness watching action movies. By 2016, Sharp, Samsung and LG demonstrated 8K TVs in the 100-inch range, and such TVs are used by companies for product demos and advertising. In 2018, Samsung debuted its 85" 8K TV for home use.

Why 8K When There Is No Content?
There may not be 8K content commonly available for many years, if ever; however, there is value in 8K today. A large 8K TV is much sharper because all TV screens have the same number of pixels. For example, a 75" 4K TV has the same eight million pixels as a 32" 4K TV. The pixels are bigger on the larger 4K set causing the image to be less sharp. An 8K TV upscales 2K and 4K content to fill in the 33.2 million pixels on the 8K screen, resulting in a much less grainy image on screens 75" and larger.

Terabytes of Storage for 8K Content
Each frame of true and uncompressed 8K content requires nearly 100MB of storage. Thus, a full two-hour movie at 60 fps would occupy 43 terabytes. Needless to say, extremely advanced compression will be necessary for 8K content (see HEVC). See 8K monitor.

   High-Definition Resolutions

   2K    1920x1080 (see DTV)
   4K    3840x2160 (see 4K TV)
   5K    5120x2880 (see 5K monitor)
   6K    6144x3160 (see 6K resolution)
   8K    7680x4320




Samsung's 8K QLED TV
In 2018, Samsung debuted an 85" 8K TV based on its QLED display technology. With built-in Wi-Fi, the Q900 is likely to become the envy of TV enthusiasts. (Image courtesy of Samsung Electronics Company, Ltd., www.samsung.com)