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 Editor in Chief David leads ...

Insight TV has launched the 4K UHD service on Comcast’s Xfinity X1, Xfinity Flex and the company’s new XClass TVs When you purchase through links on our site, we may earn an affiliate commission. Here ...

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 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 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 ...