This multiplicity is probably why UHD and 4K are frequently confused. 4K, on the other hand, denotes a higher resolution of 4096x2160 pixels. Whether the technical differences between 4K and UHD ...
By contrast, 4K - also known as ultra-high definition (UHD) - refers to the fact that ... it can be hard to tell the difference. "HDR is all about seeing the distance between the darkest blacks ...