The 40L2456 supports a better video mode than most mid-size TVs that are a similar age to it. This TV supports a 2160p supported video modes, whereas most TVs of a similar spec and age to it support a 1080p supported video modes. In addition, this television support 1080i, 480i, 480p, 576i, 576p and 720i and 720p supported video modess.
A 2160p supported video modes is actually the best supported video mode across all similar spec TVs that have been available for more than two years.
The worst supported video mode amongst comparable types of television is 480p.