The highest display resolution of the 55UB950 is 4K Ultra HD. That's over four times the display resolution of a Full HD TV, which is the most frequently found display resolution. 4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
This TV's display resolution (4K Ultra HD) is in fact the best display resolution across all large TVs that have been on the market for more than two years.
Across comparable types of TV the worst display resolution is Full HD.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
It may also be worth also looking at one of the alternative 4K Ultra HD TVs currently available including because of it's better review score, the Sony FWD-55X8600 (£2,137.00), the Panasonic TX-65AX802 (£2,499.90), or the Samsung UE55HU7200 (£1,099.00).