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HDMI
High-Definition Multimedia Interface technology provides a single-cable connection from video sources to high-definition monitors or television sets. With 19-pin connectors on the ends, the cable connects high-quality digital video and sound along with various control signals for automatic setup features for equipment that supports those options. HDMI ports appear on HDTVs and high-end video game consoles, DVD and Blu-ray players, cable and satellite receivers and computers. With version 1.4 of 2009, HDMI became the standard for high-definition video connections.
PS3 HDMI Advantages
The HDMI connection from a PS3 to a HDTV connects with the highest resolution for which the HDTV is designed. The operator only needs to connect to the HDMI ports and select the HDMI output option from the video output settings, then set the resolution to 1080p, 1080i, 720p or 480p, depending on the maximum resolution of the HDTV. With an HDTV that supports 1080p, your presentation will be the highest quality available on the market at the time of this printing. HDMI also supports 3D. See your HDTV owner's manual for resolution specifications.
Resolution
Resolution statistics tell two different specifications: the amount of information a video signal carries and the maximum number of pixels or dots a television screen can illustrate, per its design. Standard TVs operate at 480i resolution and HDTVs operate at 720p, 1080i or 1080p. The numbers tell the horizontal lines that produce a picture, and the letter designation tells the scanning method. Integrated (i) scanning illuminates odd lines in one sweep and even lines in the next. Progressive (p) scanning illuminates all lines in one sweep. Some users refer to PS3's best resolution 1080p as full HD.
Regular Composite Video Connection
The composite video format only allows the PS3 to connect to the TV at 480i resolution, the lowest quality of all video signals. Games may appear jerky with colors fading into one another. For a standard TV, this is the best signal you can get. For an HDTV, the set itself converts the signal to fill the screen, but uses computer generated information to fill in the missing pixels of the resolution difference. These signals can't possibly compete in quality with the those originally produced by the PS3 at 1080p resolution, and connected with HDMI.