Comcast’s Xfinity today announced the launch of RealTime4K, a new ultra-low latency technology that, it says, gives customers the fastest, most lifelike experience for viewing live sports in 4K. This ...

X1 customers to get ‘RealTime4K’ feeds of all 104 matches, including Dolby Vision, Atmos and a host of other features like Multiview and AI-powered highlights When you purchase through links on our ...