There are 3 internet providers operating in Castro Valley, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 7,526 recent tests, on average, we have been seeing 128 Mbps for download speeds and 15 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T and Unwired.
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 | 128 Mbps | 15 Mbps | 10 ms |
| AT&T DSL Fiber | 93 Mbps | 59 Mbps | 7 ms |
| Unwired Fixed Wireless | 17 Mbps | 3 Mbps | 12 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 128 Mbps for download speeds and 15 Mbps for upload speeds over 7,526 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Castro Valley. 23% of users saw download speeds between 100-250 Mbps, and 57% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 905 Mbps | 12 Mbps | 10 ms |
| February 2, 2023 | 131 Mbps | 11 Mbps | 22 ms |
| February 2, 2023 | 106 Mbps | 1 Mbps | 19 ms |
| February 2, 2023 | 6 Mbps | 6 Mbps | 29 ms |
| February 2, 2023 | 377 Mbps | 17 Mbps | 9 ms |
| February 2, 2023 | 119 Mbps | 18 Mbps | 7 ms |
| February 2, 2023 | 6 Mbps | 5 Mbps | 17 ms |
| February 2, 2023 | 304 Mbps | 22 Mbps | 7 ms |
| February 2, 2023 | 5 Mbps | 12 Mbps | n/a ms |
| February 2, 2023 | 210 Mbps | 41 Mbps | 9 ms |
AT&T is the 2nd most popular provider in Castro Valley offering DSL and fiber internet service. Users have been getting 93 Mbps for download speeds and 59 Mbps for upload speeds over 4,260 recent tests.
AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Castro Valley. 20% of users saw download speeds between 250-500 Mbps, and 27% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| February 2, 2023 | 542 Mbps | 674 Mbps | n/a ms |
| February 2, 2023 | 529 Mbps | 465 Mbps | n/a ms |
| February 2, 2023 | 53 Mbps | 12 Mbps | n/a ms |
| February 2, 2023 | 542 Mbps | 160 Mbps | 9 ms |
| February 2, 2023 | 32 Mbps | 6 Mbps | 24 ms |
| February 2, 2023 | 168 Mbps | 79 Mbps | 20 ms |
| February 2, 2023 | 106 Mbps | 95 Mbps | n/a ms |
| February 2, 2023 | 319 Mbps | 124 Mbps | 5 ms |
| February 2, 2023 | 110 Mbps | 1 Mbps | 9 ms |
| February 1, 2023 | 107 Mbps | 98 Mbps | 22 ms |
Unwired is the 3rd most popular provider in Castro Valley offering fixed wireless internet service. Users have been getting 17 Mbps for download speeds and 3 Mbps for upload speeds over 42 recent tests.
Unwired has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Castro Valley. 58% of users saw download speeds between 10-25 Mbps, and 63% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| January 25, 2023 | 10 Mbps | 3 Mbps | 12 ms |
| January 25, 2023 | 26 Mbps | 7 Mbps | 13 ms |
| January 17, 2023 | 22 Mbps | 8 Mbps | 10 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.