The Panasonic TX-65CX410 supports a better video mode than most TVs of this type and age. This TV supports a 2160p video mode, whereas most 4K and 8K TVs that were released more than two years ago support a 1080p video mode. In addition, this television support 576i, 576p, 720i, 720p, 1080i and 1280p and 1520p video modes.
A 2160p video mode is actually the best supported video mode amongst all comparable spec TVs that have been around for around the same time as the TX-65CX410.
The worst supported video mode across comparable types of television is 480p.