Although 3840 × 2160 is both a 4K resolution and a 2160p resolution, these terms cannot always be used interchangeably since not all 4K resolutions are 2160 pixels tall, and not all 2160p resolutions …

While often used interchangeably with UHD, true 4K resolution is slightly wider at 4096 × 2160 pixels. It’s primarily used in professional production and cinema, not consumer electronics.

Nov 15, 2024 · Quite simply, this refers to a specific screen resolution — 3840 x 2160 — which is four times (hence the “4”) the amount of pixels you’d find on a non-4K display.

A full guide to 4K resolution: definition, types, screen formats, practical uses, and why it matters for video quality and display tech.

Apr 1, 2024 · 4K resolution means that an image or video has about 4,000 horizontal pixels—the individual units that compose the picture. Images with more pixels are clearer and more detailed and …

Sep 13, 2025 · 4K resolution simply means a screen or video that shows around four thousand pixels across the width. Think of it as packing four Full HD (1080p) screens into one, so the picture looks …

Nov 30, 2025 · The 'K' in 4K stands for Kilo, as in a thousand, and it refers to the number of pixels. A 4K frame measures 3840×2160 pixels, filling the image with roughly 8.3 million tiny points of detail. That …

Oct 3, 2025 · 4K, Ultra HD, or 2160p is a display resolution of 3840×2160 pixels or 8.3 megapixels in total. With more and more 4K content being available and the prices of 4K displays going down, 4K …

May 14, 2025 · A 4K screen has a resolution of 3840 x 2160 pixels, which is also called Ultra High Definition (UHD). This is four times as many pixels as Full HD 1080p, which has a resolution of 1920 …

Nov 25, 2025 · In this article, we will explain what 4K resolution is, the difference between 4K UHD and 4K DCI, and everything else you need to know to make the right choice.