There are 3 internet providers operating in San Mateo, the most popular being Xfinity. Xfinity offers cable internet service. In 38,544 recent tests, on average, we have been seeing 193 Mbps for download speeds and 23 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and cable internet service is also available from AT&T and Wave Broadband.
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 | 193 Mbps | 23 Mbps | 9 ms |
| AT&T DSL Fiber | 246 Mbps | 145 Mbps | 6 ms |
| Wave Broadband Cable DSL | 185 Mbps | 12 Mbps | 8 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in San Mateo offering cable internet service. Users have been getting 193 Mbps for download speeds and 23 Mbps for upload speeds over 38,544 recent tests.
Xfinity has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 3rd lowest latency out of all of the providers in San Mateo. 27% of users saw download speeds between 250-500 Mbps, and 42% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 596 Mbps | 21 Mbps | 6 ms |
| June 17, 2024 | 139 Mbps | 74 Mbps | 8 ms |
| June 17, 2024 | 203 Mbps | 41 Mbps | 4 ms |
| June 17, 2024 | 918 Mbps | 230 Mbps | 13 ms |
| June 17, 2024 | 444 Mbps | 41 Mbps | 12 ms |
| June 17, 2024 | 180 Mbps | 114 Mbps | 9 ms |
| June 17, 2024 | 800 Mbps | 111 Mbps | 3 ms |
| June 17, 2024 | 93 Mbps | 59 Mbps | 7 ms |
| June 17, 2024 | 616 Mbps | 237 Mbps | 7 ms |
| June 17, 2024 | 347 Mbps | 115 Mbps | 10 ms |
AT&T is the 2nd most popular provider in San Mateo offering DSL and fiber internet service. Users have been getting 246 Mbps for download speeds and 145 Mbps for upload speeds over 14,781 recent tests.
AT&T has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in San Mateo. 27% of users saw download speeds between 250-500 Mbps, and 36% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 602 Mbps | 489 Mbps | 58 ms |
| June 17, 2024 | 327 Mbps | 299 Mbps | 3 ms |
| June 17, 2024 | 34 Mbps | 13 Mbps | 22 ms |
| June 17, 2024 | 250 Mbps | 211 Mbps | 4 ms |
| June 17, 2024 | 75 Mbps | 18 Mbps | 23 ms |
| June 17, 2024 | 124 Mbps | 125 Mbps | 10 ms |
| June 17, 2024 | 274 Mbps | 193 Mbps | 7 ms |
| June 17, 2024 | 204 Mbps | 118 Mbps | 4 ms |
| June 17, 2024 | 808 Mbps | 346 Mbps | 7 ms |
| June 17, 2024 | 797 Mbps | 655 Mbps | 7 ms |
Wave Broadband is the 3rd most popular provider in San Mateo offering cable and DSL internet service. Users have been getting 185 Mbps for download speeds and 12 Mbps for upload speeds over 3,958 recent tests.
Wave Broadband has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Mateo. 28% of users saw download speeds between 250-500 Mbps, and 45% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 266 Mbps | 200 Mbps | 3 ms |
| June 17, 2024 | 217 Mbps | 3 Mbps | 22 ms |
| June 17, 2024 | 89 Mbps | 6 Mbps | 7 ms |
| June 17, 2024 | 229 Mbps | 12 Mbps | 5 ms |
| June 17, 2024 | 57 Mbps | 11 Mbps | 478 ms |
| June 17, 2024 | 39 Mbps | 12 Mbps | 9 ms |
| June 17, 2024 | 151 Mbps | 60 Mbps | 11 ms |
| June 17, 2024 | 73 Mbps | 17 Mbps | 12 ms |
| June 17, 2024 | 95 Mbps | 32 Mbps | 6 ms |
| June 17, 2024 | 293 Mbps | 22 Mbps | 7 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.