Xfinity Introduces RealTime4K for Super Bowl LX

New ultra-low latency technology delivers the fastest 4K viewing experience for live sports.

Jan. 28, 2026 at 10:39am

Xfinity has announced the launch of RealTime4K, a new technology that provides customers with the fastest, most lifelike 4K viewing experience for live sports. This innovative format will deliver the Super Bowl to Xfinity TV customers just seconds behind the on-field action, up to 30 seconds faster than other 4K providers. Xfinity is also the only major service provider to offer the Super Bowl in both Dolby Vision and Dolby Atmos.

Why it matters

RealTime4K represents a significant advancement in live sports viewing technology, allowing Xfinity customers to experience the Super Bowl with unprecedented immediacy and clarity. This innovation highlights Comcast's continued investment in its network infrastructure and commitment to providing the best possible video and audio quality for its customers.

The details

RealTime4K is made possible by Comcast's recent deployment of technology in its network that eliminates compression steps in the delivery pipeline, allowing live 4K programming to reach customers' homes faster than ever before. Additionally, 4K programming is delivered over Comcast's network at the highest possible bitrate, double that of traditional 4K, to offer the best video and audio experience.

  • Xfinity announced the launch of RealTime4K on January 28, 2026.

The players

Xfinity

A cable television and internet service provider owned by Comcast Corporation.

Comcast Corporation

A multinational telecommunications conglomerate and the parent company of Xfinity.

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What’s next

Xfinity customers will be able to experience the Super Bowl in RealTime4K through a new Peacock 4K channel on their Xfinity TV service.

The takeaway

Xfinity's RealTime4K technology represents a significant advancement in live sports viewing, delivering the Super Bowl to customers with unprecedented immediacy and clarity. This innovation highlights Comcast's commitment to providing the best possible video and audio quality for its customers.