The Toshiba 40L5453 supports a 2160p video mode which is better than most televisions of a comparable type and age to it. Most mid-size TVs that were released more than two years ago support a 1080p video mode. In addition, this TV 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 amongst all mid-size TVs that are a similar age to the 40L5453.
Amongst similar types of TV the worst supported video mode is 480p.