Comcast Xfinity X1 Box Now Comes With “Seamless” Netflix 4K HDR Streaming

by on November 1, 2017

Stephan Jukic – November 1, 2017

After a wait that surely must have been annoying for 4K HDR TV-owning subscribers to Comcasts Xfinity service through the company’s X1 set-top box, Netflix is finally adding in 4K streaming media support for their app inside the service. Thus, owners of an X1 box who have a 4K TV of some kind and also have a Netflix Premium subscription (the only one which offers 4K UHD and HDR content) can now finally enjoy one of the best existing sources of ultra HD content in existence today in a convenient way.

To clarify, before this announcement, Netflix was already available with 4K content streams on the X1 box but the method by which said content could be accessed was somewhat clumsy and disconnected from the rest of the Xfinity content experience. The new update for ultra HD support allows for “seamless” access to and browsing of the entire Netflix library of ultra HD movies and other shows alongside the rest of an X1 box’s DVR, live TV, VOD and other ultra HD content. Since Netflix offers roughly 1200 hours of 4K video to its users, this amounts to quite a dense new addition of UHD entertainment for the Xfinity service’s own internal interface.

Comcast's Xfinity X1 box

According to Comcast’s own detailed communique on the update:

“For Xfinity TV customers with a compatible X1 device, a Netflix Premium subscription and 4K-compatible TV, accessing Netflix 4K programming will be seamless. Netflix recommends an internet connection speed of at least 25 megabits per second to stream 4K titles, and Xfinity X1 customers will need the XG1v4 set top box. If a movie or TV show is available in 4K, the default playback will be in 4K. Future phases of 4K content on X1 will include search and discovery with the voice remote, editorialized collections within Xfinity On Demand and the option to choose a playback method (4K, HD, etc.) by program.”


Netflix has expanded its 4K UHD  streaming library to some impressive levels in recent months, with the highly anticipated new season of “Stranger Things” being one highly notable addition to these UHD entertainment options. At the same time, the company is cancelling further seasons of House of Cards (until further notice and partly due to sexual harassment questions involving lead actor Kevin Spacey). Another change has been to the pricing structure of Netflix content subscriptions, which now cost more, with the 4K ultra HD plan having gone up from a price of $11.99 to $13.99.

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