The highest display resolution of the UE40JU6472 is 4K Ultra HD. That's over four times the display resolution of the most frequently found HD type of Full HD. 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 comparable spec TVs that came out more than a year ago.
An HD Ready HD type is the worst display resolution across comparable types of television.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.