4k resolution: Although 3840 × 2160 is

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 are ≈4000 pixels wide. 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 sharper, brighter, and far more detailed. Learn the differences between various display resolutions such as 2K, 4K , and 8K, and how they affect image quality and screen size. Find out the common use cases and examples of each resolution , from smartphones to TVs, and projectors. 4K resolution means a display of about 4,000 pixels horizontally, offering four times the detail of 1080p. Learn how 4K resolution improves image quality, immersive experience, and gaming and streaming performance, and explore 4K TVs, monitors, and screens for home and business.