The UE48JU6742 has a maximum display resolution of 4K Ultra HD. That's over four times the display resolution of the most common HD type of Full HD. 4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
A 4K Ultra HD HD type is in fact the best display resolution across all mid-size TVs that came out around the same time as the UE48JU6742.
Across comparable types of TV the worst display resolution is HD Ready.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
We compared this TV to all the other 4K Ultra HD TVs and we think because of it's better review score, the LG 49UH610 (£499.00) is also worth considering.