HD images have higher resolution providing much more detail than other formats 1080i x 720p or 1080 lines drawn on the screen in odd-even or interlaced patterns with 720 lines scanned in one sweep.
In addition, the 360 will allow Xbox and Xbox 360 players to compete with each other on Xbox Live, and play older titles, with antialiasing, in beautiful 720p or 1080i resolutions.
The PS3 will support 1080p high-definition output and the Xbox 360 tops out at 1080i.
Add in 1080i video mode and you've got a sweet deal with 14.1 megapixel capacity.
Turn this option on if you are using the interlaced modes of 1080i or 720i.
Make sure the HDTV you are looking at can display at least 720p or 1080i.
In order to quality for HD, the resolution must be either 720p or 1080i.