This is the resolution set forth by the Digital Cinema Initiatives. Technically, '4K' means a horizontal resolution of 4,096 pixels. One potential source of confusion is that 4K means something different whether you're talking about a TV in your home, or a projector in a theater. Those TVs, along with Ultra HD Blu-ray, and nearly all UHD streaming content from Netflix, When it comes to TVs, 4K and Ultra HD (or UHD) are referring to the same resolution. You'll have to look very closely, or whip out a magnifying glass, to discern each one. And the newest, largest and most ridiculously expensive TVs have over 33 million pixels ( 8K). Even newer and bigger TVs (typically 50 inches and above, although numerous smaller sizes too) have 8 million (for 4K Ultra HD). More recent and slightly larger TVs (typically 49 inches and smaller) have a little over 2 million pixels (1080p). Older TVs, and many 32-inch models sold today, have a million or so pixels (720p). There are numerous resolutions found on flat-panel TVs. A single pixel, or discrete picture element, consists of a tiny dot on the screen.

Resolution, in terms of TV hardware, refers to the number of pixels that compose the picture on the TV. Still have questions? Let's start with the basics. If 4K is four times greater than 1080p, does that mean 4K is 4320p? No.Does 4K mean the picture will be better than my old TV? Not necessarily.UHD stands for 'Ultra High Definition,' also known as UltraHD, but basically means 4K.ĤK these days? At 50 inches and above, yes.4K almost always means the TV has 3,840x2,160 pixels.

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