The 43PUK4900 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 in fact the best display resolution across all mid-size TVs that have been available for around the same time as the 43PUK4900.
An HD Ready HD type is the worst display resolution across similar types of television.
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 the Philips 43PUS6101, the LG 43UH610 (£419.99), and the Samsung UE40KU6000 (£269.00) which is cheaper is also worth considering.