There are 3 internet providers operating in Sunnyvale, the most popular being Xfinity. Xfinity offers cable internet service. In 56,737 recent tests, on average, we have been seeing 185 Mbps for download speeds and 21 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T and Sail Internet.
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 |
|---|---|---|---|
| Xfinity Cable | 185 Mbps | 21 Mbps | 9 ms |
| AT&T DSL Fiber | 251 Mbps | 115 Mbps | 6 ms |
| Sail Internet Fixed Wireless | 253 Mbps | 165 Mbps | 5 ms |
| * Data from speed tests taken in the last 3 months | |||
Xfinity is the most popular provider in Sunnyvale offering cable internet service. Users have been getting 185 Mbps for download speeds and 21 Mbps for upload speeds over 56,737 recent tests.
Xfinity 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 Sunnyvale. 27% of users saw download speeds between 250-500 Mbps, and 52% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 72 Mbps | 23 Mbps | 8 ms |
| June 17, 2024 | 93 Mbps | 35 Mbps | 7 ms |
| June 17, 2024 | 123 Mbps | 35 Mbps | 6 ms |
| June 17, 2024 | 318 Mbps | 23 Mbps | 4 ms |
| June 17, 2024 | 93 Mbps | 24 Mbps | 8 ms |
| June 17, 2024 | 8 Mbps | 4 Mbps | 6 ms |
| June 17, 2024 | 366 Mbps | 22 Mbps | 4 ms |
| June 17, 2024 | 37 Mbps | 33 Mbps | 7 ms |
| June 17, 2024 | 67 Mbps | 13 Mbps | 11 ms |
| June 17, 2024 | 92 Mbps | 24 Mbps | 12 ms |
AT&T is the 2nd most popular provider in Sunnyvale offering DSL and fiber internet service. Users have been getting 251 Mbps for download speeds and 115 Mbps for upload speeds over 15,310 recent tests.
AT&T 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 Sunnyvale. 26% of users saw download speeds between 250-500 Mbps, and 37% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 940 Mbps | 920 Mbps | 6 ms |
| June 17, 2024 | 74 Mbps | 7 Mbps | 19 ms |
| June 17, 2024 | 170 Mbps | 156 Mbps | 32 ms |
| June 17, 2024 | 99 Mbps | 44 Mbps | 30 ms |
| June 17, 2024 | 605 Mbps | 582 Mbps | 10 ms |
| June 17, 2024 | 2286 Mbps | 1051 Mbps | 3 ms |
| June 17, 2024 | 933 Mbps | 828 Mbps | 3 ms |
| June 17, 2024 | 487 Mbps | 240 Mbps | 4 ms |
| June 17, 2024 | 362 Mbps | 317 Mbps | 5 ms |
| June 17, 2024 | 378 Mbps | 234 Mbps | 33 ms |
Sail Internet is the 3rd most popular provider in Sunnyvale offering fixed wireless internet service. Users have been getting 253 Mbps for download speeds and 165 Mbps for upload speeds over 640 recent tests.
Sail Internet has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Sunnyvale. 28% 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 |
|---|---|---|---|
| June 17, 2024 | 258 Mbps | 103 Mbps | 6 ms |
| June 17, 2024 | 155 Mbps | 122 Mbps | 10 ms |
| June 17, 2024 | 553 Mbps | 294 Mbps | 5 ms |
| June 17, 2024 | 205 Mbps | 132 Mbps | 9 ms |
| June 17, 2024 | 376 Mbps | 123 Mbps | 5 ms |
| June 16, 2024 | 677 Mbps | 349 Mbps | 4 ms |
| June 16, 2024 | 7 Mbps | 8 Mbps | 7 ms |
| June 14, 2024 | 134 Mbps | 10 Mbps | 4 ms |
| June 14, 2024 | 604 Mbps | 328 Mbps | 5 ms |
| June 14, 2024 | 139 Mbps | 138 Mbps | 9 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.