That said, most people don't call 1080p 2K; they call it 1080p or Full HD. By the way, 1080i is the same resolution as 1080p, but no modern TV is 1080i. However, most HDTV broadcasts, including ...

1,080 (which is referred to as the horizontal resolution) is where the 1080 part of the term 1080p comes from. Related: 720p vs. 1080i vs. 1080p With 1,920 pixels displayed across the screen and ...