The operator also reported that with WiFi PowerBoost, Xfinity Mobile and Comcast Business Mobile customers seamlessly receive WiFi speeds up to 1 Gbps no matter what Internet speed tier they subscribe to, in and out of the home, on the its WiFi network.

Comcast upgrades Xfinity Internet speeds for more than 20 million customers (Photo: Business Wire) With 94 percent of devices connecting to the Internet via WiFi, fast speeds are only as good as the WiFi that connects them.

Comcast boosts its Xfinity internet speeds at no extra cost for many users each year, and the company is now rolling out the 2025 upgrades. Many subscribers will have double the upload speeds they previously had,