The 48L5453 supports a better video mode than most TVs of this age and type. This TV supports a 2160p video mode, whereas most mid-size TVs that came out around the same time as it support a 1080p video mode. In addition, this television support 1080i, 480i, 480p, 576i, 576p and 720i and 720p video modes.
This TV's video mode (2160p) is actually the best supported video mode across all televisions that have been around for more than two years.
A 480p video mode is the worst supported video mode across similar types of TV.