There are 2 internet providers operating in San Diego, the most popular being AT&T. AT&T offers DSL and fixed wireless internet service. In 4 recent tests, on average, we have been seeing 21 Mbps for download speeds and 39 Mbps for upload speeds for AT&T customers. In addition to AT&T, cable internet service is also available from Spectrum.
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 |
|---|---|---|---|
| AT&T DSL Fixed Wireless | 21 Mbps | 39 Mbps | 29 ms |
| Spectrum Cable | 41 Mbps | 10 Mbps | 40 ms |
| * Data from speed tests taken in the last 3 months | |||
AT&T is the most popular provider in San Diego offering DSL and fixed wireless internet service. Users have been getting 21 Mbps for download speeds and 39 Mbps for upload speeds over 4 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 San Diego. 50% of users saw download speeds between 50-100 Mbps, and 33% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
Spectrum is the 2nd most popular provider in San Diego offering cable internet service. Users have been getting 41 Mbps for download speeds and 10 Mbps for upload speeds over 2 recent tests.
Spectrum has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Diego. 50% of users saw download speeds between 250-500 Mbps, and 100% of users saw upload speeds between 5-10 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 4, 2024 | 41 Mbps | 10 Mbps | 40 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.