The UE40JU6412 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.
This TV's display resolution (4K Ultra HD) is in fact the best display resolution amongst all TVs of a similar type and age to the UE40JU6412.
Amongst similar types of TV the worst display resolution is HD Ready.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
We compared all the other 4K Ultra HD TVs to this TV and we think cheaper TVs such as the LG 49UF7767 (£1,084.29), and the Panasonic TX-48CXW404 is also worth considering.