Residents of Cupertino have 2 internet providers to choose from. The most popular provider is Xfinity, which offers cable internet service. Over 29,795 recent tests, our research shows that Xfinity customers have been getting 100 Mbps for download speeds and 11 Mbps for upload speeds. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T.
While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.
| Provider | Download Speed | Upload Speed | |
|---|---|---|---|
| Xfinity Cable | 100 Mbps | 11 Mbps | |
| AT&T DSL Fiber Fixed Wireless | 138 Mbps | 80 Mbps | |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Cupertino offering cable internet service. Users have been getting 100 Mbps for download speeds and 11 Mbps for upload speeds over 29,795 recent tests.
Xfinity has the 2nd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Cupertino. 26% of users saw download speeds between 100-250 Mbps, and 39% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
AT&T is the 2nd most popular provider in Cupertino offering DSL, fiber and fixed wireless internet service. Users have been getting 138 Mbps for download speeds and 80 Mbps for upload speeds over 16,829 recent tests.
AT&T has the fastest average download speeds and the fastest average upload speeds out of all of the providers in Cupertino. 26% of users saw download speeds between 250-500 Mbps, and 24% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
We’ll run a download test and an upload test to give you the full picture of your internet connection.
This speed test goes directly towards making the speed data more accurate in your city.