The highest display resolution of the Panasonic TX-65CR852 is 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 actually the best display resolution amongst all large TVs that are a similar age to the TX-65CR852.
The worst display resolution amongst comparable types of TV is Full HD.
4K Ultra HD TVs have a resolution of 3840 x 2160 pixels.
There are a number of alternative 4K Ultra HD TVs currently available that you might also want to consider including because of it's better review score, the Samsung UE55HU8200 (£1,849.00), the Sony FWD-55X8600 (£2,137.00), or the Panasonic TX-65AXW804 (£3,499.85).