There are 4 internet providers operating in San Diego, the most popular being Spectrum. Spectrum offers cable internet service. In 125,000 recent tests, on average, we have been seeing 174 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 | 174 Mbps | 11 Mbps | 13 ms |
| Cox Communications Cable Fiber | 108 Mbps | 21 Mbps | 11 ms |
| AT&T DSL Fiber Fixed Wireless | 94 Mbps | 56 Mbps | 8 ms |
| Webpass Fiber Fixed Wireless | 210 Mbps | 171 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 174 Mbps for download speeds and 11 Mbps for upload speeds over 125,000 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 55% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 98 Mbps | 11 Mbps | 55 ms |
| September 24, 2023 | 226 Mbps | 9 Mbps | 60 ms |
| September 24, 2023 | 3 Mbps | 1 Mbps | 16 ms |
| September 24, 2023 | 222 Mbps | 12 Mbps | n/a ms |
| September 24, 2023 | 565 Mbps | 9 Mbps | 9 ms |
| September 24, 2023 | 362 Mbps | 12 Mbps | n/a ms |
| September 24, 2023 | 85 Mbps | 8 Mbps | 53 ms |
| September 24, 2023 | 204 Mbps | 2 Mbps | 11 ms |
| September 24, 2023 | 398 Mbps | 17 Mbps | 11 ms |
| September 24, 2023 | 182 Mbps | 38 Mbps | 11 ms |
Cox Communications is the 2nd most popular provider in San Diego offering cable and fiber internet service. Users have been getting 108 Mbps for download speeds and 21 Mbps for upload speeds over 116,003 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. 22% of users saw download speeds between 100-250 Mbps, and 29% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 37 Mbps | 40 Mbps | 13 ms |
| September 24, 2023 | 918 Mbps | 912 Mbps | 13 ms |
| September 24, 2023 | 94 Mbps | 21 Mbps | n/a ms |
| September 24, 2023 | 232 Mbps | 28 Mbps | 17 ms |
| September 24, 2023 | 8 Mbps | 51 Mbps | 10 ms |
| September 24, 2023 | 105 Mbps | 22 Mbps | 16 ms |
| September 24, 2023 | 530 Mbps | 29 Mbps | 7 ms |
| September 24, 2023 | 105 Mbps | 22 Mbps | 15 ms |
| September 24, 2023 | 4 Mbps | 1 Mbps | 11 ms |
| September 24, 2023 | 98 Mbps | 5 Mbps | 14 ms |
AT&T is the 3rd most popular provider in San Diego offering DSL, fiber and fixed wireless internet service. Users have been getting 94 Mbps for download speeds and 56 Mbps for upload speeds over 78,223 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 250-500 Mbps, and 25% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 359 Mbps | 322 Mbps | 7 ms |
| September 24, 2023 | 44 Mbps | 11 Mbps | 23 ms |
| September 24, 2023 | 928 Mbps | 926 Mbps | n/a ms |
| September 24, 2023 | 283 Mbps | 83 Mbps | 10 ms |
| September 24, 2023 | 495 Mbps | 488 Mbps | n/a ms |
| September 24, 2023 | 173 Mbps | 107 Mbps | 7 ms |
| September 24, 2023 | 5 Mbps | 1 Mbps | 29 ms |
| September 24, 2023 | 350 Mbps | 325 Mbps | 8 ms |
| September 24, 2023 | 21 Mbps | 2 Mbps | 28 ms |
| September 24, 2023 | 51 Mbps | 12 Mbps | 201 ms |
Webpass is the 4th most popular provider in San Diego offering fiber and fixed wireless internet service. Users have been getting 210 Mbps for download speeds and 171 Mbps for upload speeds over 24,251 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 40% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 496 Mbps | 195 Mbps | 7 ms |
| September 24, 2023 | 586 Mbps | 770 Mbps | 15 ms |
| September 24, 2023 | 94 Mbps | 93 Mbps | n/a ms |
| September 24, 2023 | 46 Mbps | 58 Mbps | 21 ms |
| September 24, 2023 | 20 Mbps | 15 Mbps | 11 ms |
| September 24, 2023 | 516 Mbps | 466 Mbps | n/a ms |
| September 24, 2023 | 792 Mbps | 866 Mbps | 4 ms |
| September 24, 2023 | 30 Mbps | 45 Mbps | 6 ms |
| September 24, 2023 | 81 Mbps | 29 Mbps | 6 ms |
| September 24, 2023 | 560 Mbps | 449 Mbps | 5 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.