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In 4K TVs there here are 3,840 columns and 2,160 rows of pixels that make up a 4K TV screen, which is why you’ll occasionally see this resolution referred to as 2160p.

What does screen resolution actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

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.