There are 2 internet providers operating in Castro Valley, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 9,914 recent tests, on average, we have been seeing 117 Mbps for download speeds and 12 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL and fiber internet service is also available from AT&T.
While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable Fiber | 117 Mbps | 12 Mbps | 10 ms |
| AT&T DSL Fiber | 94 Mbps | 57 Mbps | 7 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Castro Valley offering cable and fiber internet service. Users have been getting 117 Mbps for download speeds and 12 Mbps for upload speeds over 9,914 recent tests.
Xfinity has the fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Castro Valley. 26% of users saw download speeds between 100-250 Mbps, and 55% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 20, 2022 | 34 Mbps | 24 Mbps | 8 ms |
| September 20, 2022 | 273 Mbps | 12 Mbps | 10 ms |
| September 20, 2022 | 40 Mbps | 23 Mbps | 12 ms |
| September 20, 2022 | 23 Mbps | 27 Mbps | 523 ms |
| September 20, 2022 | 29 Mbps | 6 Mbps | 17 ms |
| September 20, 2022 | 737 Mbps | 38 Mbps | 15 ms |
| September 20, 2022 | 30 Mbps | 1 Mbps | 9 ms |
| September 20, 2022 | 91 Mbps | 12 Mbps | n/a ms |
| September 20, 2022 | 105 Mbps | 35 Mbps | 18 ms |
| September 20, 2022 | 261 Mbps | 17 Mbps | 9 ms |
AT&T is the 2nd most popular provider in Castro Valley offering DSL and fiber internet service. Users have been getting 94 Mbps for download speeds and 57 Mbps for upload speeds over 5,230 recent tests.
AT&T has the 2nd fastest average download speeds and the fastest average upload speeds out of all of the providers in Castro Valley. 20% of users saw download speeds between 250-500 Mbps, and 29% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 20, 2022 | 53 Mbps | 12 Mbps | n/a ms |
| September 20, 2022 | 5 Mbps | 3 Mbps | 19 ms |
| September 20, 2022 | 1 Mbps | 10 Mbps | 21 ms |
| September 20, 2022 | 86 Mbps | 5 Mbps | 22 ms |
| September 19, 2022 | 52 Mbps | 6 Mbps | n/a ms |
| September 19, 2022 | 32 Mbps | 5 Mbps | 24 ms |
| September 19, 2022 | 66 Mbps | 52 Mbps | 20 ms |
| September 19, 2022 | 66 Mbps | 2 Mbps | 20 ms |
| September 19, 2022 | 80 Mbps | 6 Mbps | 22 ms |
| September 19, 2022 | 2 Mbps | 1 Mbps | 32 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.