Digital television and digital cinematography commonly use several 4K resolutions. The movie projection industry uses 4096 × 2160 (DCI 4K). In television, 3840 × 2160 (4K UHD) with a …

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 · 4K UHD TVs are everywhere these days, but what exactly makes a TV a 4K TV? We wrote up this guide to teach you everything you need to know about the technology.

Jun 9, 2025 · Ultra high-definition, or UHD, and 4K are two terms that are often used interchangeably to denote a monitor or TV that has a resolution of around 4,000 horizontal pixels.

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 …

Oct 6, 2025 · Fast becoming mainstays of gamers and creative pros, 4K monitors are falling in price—but getting more complicated to buy. Here's how to shop for an ultra-high-definition …