Related: 720p vs. 1080i vs. 1080p With 1,920 pixels displayed across the screen and 1,080 pixels running from top to bottom, you end up with a lot of pixels. When you multiply the number of pixels ...

A single pixel, or discrete picture element, consists of a tiny dot on the screen ... most people don't call 1080p 2K; they call it 1080p or Full HD. By the way, 1080i is the same resolution ...