What is 1080p, 720p, 480p?
The “p” refers to the number of lines of resolution (progressive) in a TV screen. So, the more lines, the sharper the picture is. There are horizontal and vertical lines of resolutions per below.
640(horizontal)x480p(vertical) 420p 500,000 pixels
1280(horizontal)x720p(vertical) 720p 922,000 pixels
1920(horizontal)x1080p(vertical) 1080p 2,074,000 pixels
3840(horizontal)x2160p(vertical) 4K Ultra High Def UHD
High Definition HD: 720p and higher
Standard Definition SD: 719p and lower
Blu-Ray’s are distributed natively in 1080p. 720p is still HD, and is commonly used to maintain the same quality of video (generally), but drastically reducing the file size by nearly half in most cases. So, a true videophile won’t...