The 49UB830 has a maximum display resolution of 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 mid-size TVs that have been around for more than two years.
Across similar types of television the worst display resolution is Not supported.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
We think you might also be interested in some of the alternative 4K Ultra HD televisions currently available including the Samsung UE48HU7500 which has a better Rating; or the Philips 40PUS6809 (£471.59), or the LG 49UB820 (£420.00) which is cheaper.