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Written by Laurence

What's 4K (UHD)?

4K (UHD) is the name of a resolution that's 4 times sharper than Full HD. 4K has a minimum sharpness of 3840x2160 pixels, which is more than 8 million pixels in total. This ensures a razor-sharp display of movies, photos, and games. On this page, we explain what 4K is and what the advantages are.

UHD

A UHD image contains over 8 million pixels, while a Full HD image only contains 2 million pixels. As a result, the UHD resolution is 4 times as sharp. You can especially see the difference in sharpness on screens starting at 40 inches. In order to watch UHD images, both the TV and the source must support this resolution. This can be a UHD Blu-ray player or a console, but video service such as YouTube and are also starting to offer UHD videos.

4K

The 4K resolution is an industry standard for movie theaters and is made up of 4,096x2,160 pixels. The difference with UHD is that the row of horizontal pixels is wider because movie theater screens are wider than television screens. Still, 4K is closely intertwined with the TV industry's UHD. During your search for a TV, you can assume that both 4K and UHD refer to the same thing.

8K

The successor to the 4K resolution is 8K. This resolution is 4 times sharper than 4K, which means a 8K screen consists of about 33 billion pixels. Though there isn't a lot of entertainment available in 8K yet, there are already 8K TVs on the market. These televisions use a technique called upscaling to upgrade images with a lower resolution.

Laurence
Article by:
Laurence Television Expert.
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