Residents of Cupertino have 3 internet providers to choose from. The most popular provider is Xfinity, which offers cable internet service. Over 19,246 recent tests, our research shows that Xfinity customers have been getting 110 Mbps for download speeds and 12 Mbps for upload speeds. Besides Xfinity, residents of Cupertino may be able to choose from AT&T and Etheric Networks which offer DSL, fiber and fixed wireless internet service.
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 | Latency |
|---|---|---|---|
| Xfinity Cable | 110 Mbps | 12 Mbps | 9 ms |
| AT&T DSL Fiber Fixed Wireless | 94 Mbps | 59 Mbps | 7 ms |
| Etheric Networks Fixed Wireless | 24 Mbps | 19 Mbps | 9 ms |
| * 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 110 Mbps for download speeds and 12 Mbps for upload speeds over 19,246 recent tests.
Xfinity has the fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in Cupertino. 25% of users saw download speeds between 100-250 Mbps, and 50% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 20, 2022 | 60 Mbps | 1 Mbps | 10 ms |
| September 20, 2022 | 393 Mbps | 42 Mbps | 11 ms |
| September 20, 2022 | 197 Mbps | 41 Mbps | n/a ms |
| September 20, 2022 | 527 Mbps | 17 Mbps | n/a ms |
| September 20, 2022 | 153 Mbps | 31 Mbps | 10 ms |
| September 20, 2022 | 181 Mbps | 22 Mbps | n/a ms |
| September 20, 2022 | 53 Mbps | 35 Mbps | 16 ms |
| September 20, 2022 | 26 Mbps | 11 Mbps | 12 ms |
| September 20, 2022 | 94 Mbps | 41 Mbps | n/a ms |
| September 20, 2022 | 6 Mbps | 32 Mbps | 4 ms |
AT&T is the 2nd most popular provider in Cupertino offering DSL, fiber and fixed wireless internet service. Users have been getting 94 Mbps for download speeds and 59 Mbps for upload speeds over 4,746 recent tests.
AT&T has the 2nd fastest average download speeds and the fastest average upload speeds out of all of the providers in Cupertino. 24% of users saw download speeds between 250-500 Mbps, and 24% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 20, 2022 | 69 Mbps | 27 Mbps | 6 ms |
| September 20, 2022 | 420 Mbps | 370 Mbps | 7 ms |
| September 20, 2022 | 56 Mbps | 12 Mbps | 20 ms |
| September 20, 2022 | 337 Mbps | 218 Mbps | n/a ms |
| September 20, 2022 | 508 Mbps | 177 Mbps | 10 ms |
| September 20, 2022 | 72 Mbps | 6 Mbps | 24 ms |
| September 20, 2022 | 4 Mbps | 6 Mbps | 6 ms |
| September 20, 2022 | 46 Mbps | 6 Mbps | 20 ms |
| September 20, 2022 | 22 Mbps | 2 Mbps | 28 ms |
| September 20, 2022 | 93 Mbps | 94 Mbps | 5 ms |
Etheric Networks is the 3rd most popular provider in Cupertino offering fixed wireless internet service. Users have been getting 24 Mbps for download speeds and 19 Mbps for upload speeds over 135 recent tests.
Etheric Networks has the 3rd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Cupertino. 39% of users saw download speeds between 25-50 Mbps, and 31% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 18, 2022 | 30 Mbps | 16 Mbps | n/a ms |
| September 17, 2022 | 412 Mbps | 387 Mbps | 2 ms |
| September 9, 2022 | 14 Mbps | 14 Mbps | 7 ms |
| September 8, 2022 | 176 Mbps | 155 Mbps | 4 ms |
| August 25, 2022 | 31 Mbps | 16 Mbps | 15 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.