The highest display resolution of the 55LW340 is Full HD. That's 75% less display resolution than the most common HD type of 4K Ultra HD. Full HD TVs have a resolution of 1920 x 1080 pixels.
Full HD TVs have a resolution of 1920 x 1080 pixels.
Other Full HD TVs currently available that you might also want to consider include cheaper televisions such as the UE55J6289 (£896.89), or the UE55K5579 both from Samsung or the LG 55LH545.
If the display resolution of this television is not high enough for you then you might want to consider the Samsung UN55KU6500 (4K Ultra HD) which is also cheaper.