The 40L3451 supports a 480i video mode which is better than most similar spec TVs that have been on the market for more than two years. Most televisions that have been around for a similar time to it support a 1080p video mode. This television also support 1080i, 2160p, 480p, 576i, 576p and 720i and 720p video modes.
This television's video mode (480i) is in fact the worst supported video mode amongst all similar spec TVs that are a comparable age to the 40L3451.
Amongst comparable types of television the best supported video mode is 2160p.