
4K resolution - Wikipedia
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 16:9 aspect ratio is …
What is 4K? Everything you need to know about 4K Ultra HD
Nov 15, 2024 · In the professional world, 4K is a digital cinema standard that calls for a 4096 x 2160-pixel resolution. That first number is a horizontal measurement, the latter vertical, and they work out...
What is 4K Ultra HD? The high-resolution standard for TVs, explained
May 14, 2025 · A 4K resolution, also known as Ultra High Definition, delivers four times as many pixels as regular HD, making images sharper and more detailed.
What Is 4K Resolution And Is It Worth It? - DisplayNinja
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 …
What's the Difference Between 1080p, Full HD & 4K? - Best Buy
What does "4K" mean, and how is it different from other high-definition video formats like 1080p and Full HD? Whether you’re looking for a DSLR camera, a smartphone, a laptop computer, a monitor, an …
What Is 4K Resolution? An Overview of Ultra HD - How-To Geek
Jun 17, 2024 · Commonly, 4K and UHD refer to a resolution that's a step up from 1080p (or "full HD"). A 4K UHD display has roughly four times the pixels of the previous generation, which creates a …
4K vs. UHD: What's the Difference? - ExtremeTech
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.
4K resolution: what it is and why it matters for your TV
Oct 12, 2024 · We take a look at 4K resolution, what it means, and why you need a 4K TV. Anyone who has bought a TV, or even thought about buying a TV, in the past few years will almost certainly have …
What Is 4K (Ultra HD)? - PCMag
Feb 1, 2021 · Here's what you need to know. What Is 4K? A 4K display is one with at least 8 million active pixels. For televisions, that resolution has standardized to 3,840 by 2,160.
4K Video Resolution: Everything You Need to Know - Vimeo
Mar 26, 2025 · Learn what 4K resolution is and how it compares to full HD or 1080p. Then, examine the hardware you’ll need to capture, display, and edit a video in 4K.