The nation's largest cable provider has confirmed plans to deliver Ultra HD content to its subscribers via a new set-top box called the Xi4 later this year. David Katzmaier Editorial Director -- ...

Comcast already streams 4K content to Samsung's most recent TVs with its Xfinity in UHD app, but soon the cable company will produce its own 4K set-top box. Today Comcast announced that this device, ...

Comcast's Xfinity in UHD app is available starting today exclusively on Samsung 4K TVs, allowing streams of a few NBC and USA shows. The company will debut a 4K-capable set-top box in 2015. David ...

Comcast is back with another update for its Xfinity X1 entertainment platform: YouTube in 4K quality. According to the company, "YouTube" has been one of the most commonly used voice commands since ...

Ultra HDTV — 4KTV — continues to move forward. Now Comcast’s Xfinity media platform is launching Xfinity in UHD -- a new 4K TV app on 2014 Samsung 4K TVs. Comcast’s own NBC and USA Network will start ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. PHILADELPHIA—Comcast has announced a new promotion that will see any existing or new Xfinity ...

Fastest Mobile Service in Comcast Markets Introduces Best Offers Complete with 4K UHD Streaming, More WiFi Hotspot Data, Twice a Year Phone Upgrades for New and Existing Customers New Xfinity Mobile ...