The Toshiba 40L2434 supports a 2160p supported video modes which is better than most TVs of a similar age and spec to it. Most mid-size TVs that were launched around the same time as it support a 1080p supported video modes. This television also support 1080i, 480i, 480p, 576i and 576p and 720i supported video modess.
A 2160p supported video modes is in fact the best supported video mode across all mid-size TVs that are a comparable age to the 40L2434.
Across similar types of television the worst supported video mode is 480p.