The UE46H5303 supports a better video mode than most mid-size TVs that have been around for a similar time to it. This TV supports a 480i video mode, whereas most similar spec televisions that were released one year ago support a 1080p video mode. This television also support 1080i, 480p, 576i and 576p and 720p video modes.
A 480i video mode is in fact the worst supported video mode amongst all televisions of this type and age.
Amongst similar types of TV the best supported video mode is 2160p.