There are 4 internet providers operating in San Diego, the most popular being Spectrum. Spectrum offers cable internet service. In 120,742 recent tests, on average, we have been seeing 203 Mbps for download speeds and 12 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 | 203 Mbps | 12 Mbps | 12 ms |
| Cox Communications Cable Fiber | 119 Mbps | 24 Mbps | 12 ms |
| AT&T DSL Fiber Fixed Wireless | 106 Mbps | 61 Mbps | 8 ms |
| Webpass Fiber Fixed Wireless | 252 Mbps | 184 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 203 Mbps for download speeds and 12 Mbps for upload speeds over 120,742 recent tests.
Spectrum has the 2nd fastest average download speed, the 4th fastest average upload speed, and the 3rd lowest latency out of all of the providers in San Diego. 32% of users saw download speeds between 250-500 Mbps, and 58% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 62 Mbps | 22 Mbps | 13 ms |
| June 17, 2024 | 232 Mbps | 12 Mbps | 10 ms |
| June 17, 2024 | 501 Mbps | 18 Mbps | 10 ms |
| June 17, 2024 | 352 Mbps | 11 Mbps | 17 ms |
| June 17, 2024 | 43 Mbps | 12 Mbps | 17 ms |
| June 17, 2024 | 93 Mbps | 35 Mbps | 15 ms |
| June 17, 2024 | 36 Mbps | 2 Mbps | 53 ms |
| June 17, 2024 | 627 Mbps | 40 Mbps | 19 ms |
| June 17, 2024 | 307 Mbps | 11 Mbps | 12 ms |
| June 17, 2024 | 202 Mbps | 11 Mbps | 15 ms |
Cox Communications is the 2nd most popular provider in San Diego offering cable and fiber internet service. Users have been getting 119 Mbps for download speeds and 24 Mbps for upload speeds over 111,360 recent tests.
Cox Communications has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 4th lowest latency out of all of the providers in San Diego. 24% of users saw download speeds between 100-250 Mbps, and 28% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 505 Mbps | 49 Mbps | 11 ms |
| June 17, 2024 | 572 Mbps | 56 Mbps | 16 ms |
| June 17, 2024 | 277 Mbps | 1 Mbps | 8 ms |
| June 17, 2024 | 320 Mbps | 31 Mbps | 8 ms |
| June 17, 2024 | 553 Mbps | 35 Mbps | 12 ms |
| June 17, 2024 | 297 Mbps | 169 Mbps | 8 ms |
| June 17, 2024 | 455 Mbps | 27 Mbps | 11 ms |
| June 17, 2024 | 352 Mbps | 32 Mbps | 11 ms |
| June 17, 2024 | 538 Mbps | 32 Mbps | 8 ms |
| June 17, 2024 | 88 Mbps | 35 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 106 Mbps for download speeds and 61 Mbps for upload speeds over 94,859 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 |
|---|---|---|---|
| June 17, 2024 | 55 Mbps | 8 Mbps | 4 ms |
| June 17, 2024 | 905 Mbps | 1 Mbps | 6 ms |
| June 17, 2024 | 52 Mbps | 1 Mbps | 2 ms |
| June 17, 2024 | 61 Mbps | 61 Mbps | 7 ms |
| June 17, 2024 | 501 Mbps | 439 Mbps | 6 ms |
| June 17, 2024 | 94 Mbps | 103 Mbps | 12 ms |
| June 17, 2024 | 318 Mbps | 297 Mbps | 9 ms |
| June 17, 2024 | 82 Mbps | 2 Mbps | 13 ms |
| June 17, 2024 | 499 Mbps | 108 Mbps | 13 ms |
| June 17, 2024 | 235 Mbps | 195 Mbps | 7 ms |
Webpass is the 4th most popular provider in San Diego offering fiber and fixed wireless internet service. Users have been getting 252 Mbps for download speeds and 184 Mbps for upload speeds over 7,017 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. 27% 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 |
|---|---|---|---|
| June 17, 2024 | 409 Mbps | 260 Mbps | 6 ms |
| June 17, 2024 | 94 Mbps | 80 Mbps | 6 ms |
| June 17, 2024 | 893 Mbps | 572 Mbps | 5 ms |
| June 17, 2024 | 94 Mbps | 92 Mbps | 6 ms |
| June 17, 2024 | 769 Mbps | 379 Mbps | 7 ms |
| June 17, 2024 | 712 Mbps | 408 Mbps | 4 ms |
| June 17, 2024 | 836 Mbps | 829 Mbps | 4 ms |
| June 17, 2024 | 52 Mbps | 97 Mbps | 6 ms |
| June 17, 2024 | 209 Mbps | 223 Mbps | 4 ms |
| June 17, 2024 | 121 Mbps | 69 Mbps | 5 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.