4K-TV what's 4K？ 4K-TV is the TV which has about 4000 pixels in horizontal line and four times higher resolution than full high vision TV. Ref. The 4K TV has 8 million pixels while high resolution TV has 2 million pixels. ★Pros of 4K 1.Screen is clearer 2.Dark scene is brighter 3.Safe to watch at close range. 4.Can stimulate one’s brain while watching because the graphics looks so real. ★Cons of 4K 1.Price is higher compared to other brands. 2.Only minimal number of TV programs which are used 4K pixels. 3.You need a larger TV size if you want to enjoy 4K-TV.