8K TV: Within the industry, this CES will be the show at which 8K TV was launched. 8K offers four times the resolution of 4K – 33 million pixels vs. around 8 million pixels (regular high-definition TV is 2 million pixels). But there is no 8K content, nor is there likely to be beyond the 2020 Tokyo Olympics for a long time. There’s no reason for you to buy an 8K TV, but it was a big topic at the show. Here’s a rundown of all the cool 8K and 4K TVs I saw at CES.