The highest display resolution of the 55LA9659 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.
This TV's display resolution (4K Ultra HD) is actually the best display resolution amongst all TVs of this spec and age.
A Full HD HD type is the worst display resolution amongst similar types of TV.
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 TVs currently available including the LG 55UB820 which has a better Rating; or the Samsung UE55HU6900 (£799.00) which is cheaper.