There are 4 internet providers operating in San Diego, the most popular being Spectrum. Spectrum offers cable internet service. In 115,489 recent tests, on average, we have been seeing 173 Mbps for download speeds and 11 Mbps for upload speeds for Spectrum customers. In addition to Spectrum, cable, fiber, DSL and fixed wireless internet service is also available from Cox Communications, AT&T and Webpass.
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 |
|---|---|---|---|
| Spectrum Cable | 173 Mbps | 11 Mbps | 13 ms |
| Cox Communications Cable Fiber | 105 Mbps | 11 Mbps | 10 ms |
| AT&T DSL Fiber Fixed Wireless | 92 Mbps | 38 Mbps | 9 ms |
| Webpass Fiber Fixed Wireless | 190 Mbps | 131 Mbps | 6 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in San Diego offering cable internet service. Users have been getting 173 Mbps for download speeds and 11 Mbps for upload speeds over 115,489 recent tests.
Spectrum has the 2nd fastest average download speed, the 4th fastest average upload speed, and the 4th lowest latency out of all of the providers in San Diego. 31% of users saw download speeds between 250-500 Mbps, and 60% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 313 Mbps | 8 Mbps | n/a ms |
| March 26, 2023 | 7 Mbps | 36 Mbps | 15 ms |
| March 26, 2023 | 873 Mbps | 7 Mbps | 12 ms |
| March 26, 2023 | 89 Mbps | 19 Mbps | 11 ms |
| March 26, 2023 | 355 Mbps | 12 Mbps | 15 ms |
| March 26, 2023 | 246 Mbps | 12 Mbps | n/a ms |
| March 26, 2023 | 578 Mbps | 23 Mbps | 14 ms |
| March 26, 2023 | 198 Mbps | 23 Mbps | n/a ms |
| March 26, 2023 | 2 Mbps | 3 Mbps | 8 ms |
| March 26, 2023 | 314 Mbps | 13 Mbps | 11 ms |
Cox Communications is the 2nd most popular provider in San Diego offering cable and fiber internet service. Users have been getting 105 Mbps for download speeds and 11 Mbps for upload speeds over 96,476 recent tests.
Cox Communications 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 San Diego. 24% of users saw download speeds between 100-250 Mbps, and 38% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 53 Mbps | 11 Mbps | 10 ms |
| March 26, 2023 | 294 Mbps | 11 Mbps | 9 ms |
| March 26, 2023 | 74 Mbps | 24 Mbps | 13 ms |
| March 26, 2023 | 6 Mbps | 1 Mbps | 241 ms |
| March 26, 2023 | 549 Mbps | 35 Mbps | 7 ms |
| March 26, 2023 | 209 Mbps | 10 Mbps | n/a ms |
| March 26, 2023 | 211 Mbps | 10 Mbps | 11 ms |
| March 26, 2023 | 36 Mbps | 24 Mbps | 8 ms |
| March 26, 2023 | 5 Mbps | 5 Mbps | 23 ms |
| March 26, 2023 | 7 Mbps | 3 Mbps | 16 ms |
AT&T is the 3rd most popular provider in San Diego offering DSL, fiber and fixed wireless internet service. Users have been getting 92 Mbps for download speeds and 38 Mbps for upload speeds over 74,312 recent tests.
AT&T has the 4th fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Diego. 21% of users saw download speeds between 50-100 Mbps, and 22% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 495 Mbps | 457 Mbps | n/a ms |
| March 26, 2023 | 485 Mbps | 473 Mbps | n/a ms |
| March 26, 2023 | 457 Mbps | 415 Mbps | n/a ms |
| March 26, 2023 | 54 Mbps | 12 Mbps | 36 ms |
| March 26, 2023 | 53 Mbps | 33 Mbps | 18 ms |
| March 26, 2023 | 763 Mbps | 241 Mbps | 6 ms |
| March 26, 2023 | 111 Mbps | 101 Mbps | 6 ms |
| March 26, 2023 | 26 Mbps | 11 Mbps | 20 ms |
| March 26, 2023 | 23 Mbps | 4 Mbps | 7 ms |
| March 26, 2023 | 25 Mbps | 4 Mbps | 6 ms |
Webpass is the 4th most popular provider in San Diego offering fiber and fixed wireless internet service. Users have been getting 190 Mbps for download speeds and 131 Mbps for upload speeds over 24,780 recent tests.
Webpass has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in San Diego. 25% of users saw download speeds between 250-500 Mbps, and 35% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 856 Mbps | 462 Mbps | 6 ms |
| March 26, 2023 | 204 Mbps | 110 Mbps | 12 ms |
| March 26, 2023 | 59 Mbps | 33 Mbps | 7 ms |
| March 26, 2023 | 251 Mbps | 283 Mbps | 16 ms |
| March 26, 2023 | 212 Mbps | 241 Mbps | 10 ms |
| March 26, 2023 | 94 Mbps | 93 Mbps | n/a ms |
| March 26, 2023 | 310 Mbps | 273 Mbps | 8 ms |
| March 26, 2023 | 136 Mbps | 77 Mbps | 39 ms |
| March 26, 2023 | 305 Mbps | 178 Mbps | 10 ms |
| March 26, 2023 | 597 Mbps | 861 Mbps | 4 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.