The highest display resolution of the 49UF6807 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.
A 4K Ultra HD HD type is actually the best display resolution across all similar spec TVs that were released around the same time as the 49UF6807.
An HD Ready HD type is the worst display resolution amongst similar types of TV.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
There are a number of alternative 4K Ultra HD televisions currently available that you might also want to consider including the LG 49UH610 (£499.00) which has a better Rating; or the Samsung UE43KU6000 (£449.99) which is cheaper.