The Toshiba 40L1543 supports a 2160p supported video modes which is better than most TVs of this spec and age. Most TVs that were released around the same time as it support a 1080p supported video modes. In addition, this TV support 1080i, 480i, 480p, 576i, 576p and 720i and 720p supported video modess.
This TV's video mode (2160p) is actually the best supported video mode amongst all TVs that are a comparable age to the 40L1543.
A 480p supported video modes is the worst supported video mode amongst comparable types of TV.