There still seems to be some confusion about the difference between 1080i and 1080p. Both are 1,920×1,080-pixel resolution. Both have 2,073,600 pixels. From one perspective, 1080i is actually greater than Blu-ray. And, you can’t even get a full 1080p/60 source other than a PC, camcorder, or some still cameras that shoot video.
True, 1080i and 1080p aren’t the same thing, but they are the same resolution. Let the argument commence…
1080i and 720p
Because our TV world is based around 60Hz, and because there’s a limit to how much resolution could be transmitted over the air (because of bandwidth and MPEG compression), the two main HDTV resolutions are 1080i and 720p. Let’s start with 720p, as it’s the easier to understand.