480p resolution delivers 480 lines of resolution vertically, while 720p HD delivers 720 lines of resolution vertically and 1080p delivers 1,080 lines of resolution vertically. This results in higher overall megapixel resolution for 720p and 1080p, allowing for greater clarity and detail. 1080p, in particular, supports the most crisp and detailed images and videos with over 2 megapixels.
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