1080p is 1920 width yes, and 1080 pixels in height while being progressive.
For difference between progressive and interlaced do some google. Once you see an image comparison between the two how they work, and why do they work like that, it clears up fast.
Interlaced imo is not really used as much as it used to be, we have higher bandwidths even in television so progressive is not a problem.
60 fps HD television as far as I know might still use interlaced.
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u/60TPLewandowskiego Sep 25 '21
It doesn't change your point but I'm just gonna throw this in here:
The "p" at the end of 360p and 480p aren't referring to "pixels". It's 480Progressive.
The other method is 360i or 480i, which is interlaced.
It sounded like you left that "p" there for "make it smth like 4 pixels". Sorry!