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1.
Best HDTV widescreen standard of today's market.
Better framerate, resolution and sharpness than 1080i and 720p.
1080 means resolution of 1920x1080, p menas progressive.
Progressive displays do not suffer from the deficiencies present on interlaced (1080i).

1080p>720p>1080i
Guy1: When i can chose 1080i or 1080p, which is better?

Friend of guy1: 1080p is definitely the best, you would make a big mistake if you bought 1080i because that would be worse than 720p. Don't get the marketing trick you to think same resolution means same quality.
by Dhatz August 27, 2009