The FWD-65X8600 supports a better video mode than most 4K and 8K TVs that have been available for around the same time as it. This television supports a 2160p supported video modes, whereas most 4K and 8K TVs that were released more than two years ago support a 1080p supported video modes. This TV also support 1080i, 480i, 480p, 576i and 576p and 720p supported video modess.
A 2160p supported video modes is actually the best supported video mode amongst all 4K and 8K TVs that are a comparable age to the FWD-65X8600.
The worst supported video mode amongst comparable types of television is 480p.