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 …

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.

In this guide, we explore what 4K means, the difference between 4K resolution formats and how they compare, and whether it’s worth the investment for your setup.

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.

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 …

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 …

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 …

Jun 27, 2025 · The typical resolution for 4K is 3840 x 2160 pixels —which adds up to over 8 million pixels on screen. To put that in perspective: If 1080p video is like painting with a fine …

Jan 6, 2025 · 4K resolution isn’t a single, universal format—it actually refers to two main standards that cater to different needs. The most common is UHD 4K, with a resolution of …

4K resolution refers to a display resolution that has a horizontal pixel count of approximately 4,000 pixels. Specifically, the most common 4K resolution is 3840 x 2160 pixels, which is often …