With this 49" TV from Sony it will come with an excellent picture quality all with its 4K Ultra HD. With this you will get 4x the resolution of traditional HD displays as 4k will be able to offer a massive improvement in picture clarity.
Beforehand traditional TVs were limited to 1920 vertical and 1080 horizontal rows of pixels, with 4k, it will have a total resolution of up to 3840 × 2160 pixels. This will make the picture quality mind-blowing when you are watching all of your favourite movies, playing all of your favourite games or just looking to watch your favourite TV shows.