In Fairfax there are 2 internet service providers, with Xfinity being the most popular. Xfinity offers cable internet service. In recent tests, Xfinity customers had an average download speed of 208 Mbps and an average upload speed of 41 Mbps. In addition to Xfinity, DSL and fiber internet service is also available from AT&T.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Xfinity Cable | 208 Mbps | 41 Mbps | 9 ms |
| AT&T DSL Fiber | 261 Mbps | 204 Mbps | 5 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Fairfax offering cable internet service. Users have been getting 208 Mbps for download speeds and 41 Mbps for upload speeds over 795 recent tests.
Xfinity has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Fairfax. 36% of users saw download speeds between 250-500 Mbps, and 33% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 62 Mbps | 24 Mbps | 15 ms |
| June 17, 2024 | 313 Mbps | 41 Mbps | 12 ms |
| June 17, 2024 | 466 Mbps | 41 Mbps | 10 ms |
| June 17, 2024 | 312 Mbps | 23 Mbps | 7 ms |
| June 17, 2024 | 363 Mbps | 102 Mbps | 9 ms |
| June 17, 2024 | 173 Mbps | 57 Mbps | 8 ms |
| June 16, 2024 | 282 Mbps | 12 Mbps | 8 ms |
| June 16, 2024 | 255 Mbps | 33 Mbps | 21 ms |
| June 16, 2024 | 310 Mbps | 41 Mbps | 12 ms |
| June 16, 2024 | 317 Mbps | 23 Mbps | 7 ms |
AT&T is the 2nd most popular provider in Fairfax offering DSL and fiber internet service. Users have been getting 261 Mbps for download speeds and 204 Mbps for upload speeds over 364 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 Fairfax. 30% of users saw download speeds faster than 500 Mbps, and 44% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 83 Mbps | 108 Mbps | 14 ms |
| June 17, 2024 | 49 Mbps | 24 Mbps | 13 ms |
| June 15, 2024 | 565 Mbps | 93 Mbps | 8 ms |
| June 14, 2024 | 21 Mbps | 43 Mbps | 11 ms |
| June 11, 2024 | 700 Mbps | 788 Mbps | 3 ms |
| June 11, 2024 | 700 Mbps | 753 Mbps | 3 ms |
| June 11, 2024 | 71 Mbps | 93 Mbps | 5 ms |
| June 10, 2024 | 398 Mbps | 397 Mbps | 5 ms |
| June 10, 2024 | 862 Mbps | 784 Mbps | 4 ms |
| June 10, 2024 | 46 Mbps | 54 Mbps | 13 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.