Sports, videogames and action flicks look best in higher refresh rates, so if your TV can upconvert to a higher refresh rate, ...

The U6N is one of the cheapest 4K TVs with an advanced Mini LED backlight, and this feature gives the display better picture ...

4K almost always means the TV has 3,840x2,160 pixels (the "building blocks" of a TV image). Resolution, in terms of TV hardware, refers to the number of pixels that compose the picture on the TV.