Best Performance: Sony Bravia 139 cm (55 inches) 4K Ultra HD Smart LED Google TV KD-55X74K (Black) Now, the Sony KD-55X74K offers exceptional performance with its 4K Ultra HD display and 20 Watts ...

Best Performance: Sony Bravia 139 cm (55 inches) 4K Ultra HD Smart LED Google TV KD-55X74L (Black) The Sony Bravia KD-55X74L delivers exceptional performance with its 4K HDR display and X1 4K ...