There's a catch, though: These formats will only be available to Xfinity TV customers as part of the company's Enhanced 4K coverage, either by way of the Xfinity X1 box or the Xfinity Stream app.

Comcast March Madness kicks off this week, and if you’re an Xfinity fan, there’s big news. Comcast has announced that Xfinity Multiview is headed to more X1 devices, just in time for the men ...

Those with a 4K Dolby Vision-capable TV and Comcast's Xfinity X1 service will be able to watch Super Bowl 57 in a new way: in 4K HDR with Dolby Vision. The two companies announced that they'll be ...