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The name 4K resolution refers to a horizontal resolution of approximately 4,000 pixels. The use of width to characterize the overall resolution marks a switch from previous television standards such as 480i and 1080p, which categorize media according to its vertical dimension.
A typical 4K PC display, however, has a native resolution of 3840x2160, or roughly 8.3 megapixelsâthatâs double the resolution and approximately four times as many pixels. All other things being equal, 4K PC displays are capable of producing much sharper on-screen images.efresh rates with 4K panels are also somewhat of a concern. A number of the more affordable 4K displays currently on the market offer only 30Hz refresh rates. The typical refresh rate of a mainstream display is 60Hz, and fast gaming-monitors can offer as high as 144Hz.