There are 3 internet providers operating in Sunnyvale, the most popular being Xfinity. Xfinity offers cable internet service. In 37,521 recent tests, on average, we have been seeing 124 Mbps for download speeds and 13 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 | 124 Mbps | 13 Mbps | 9 ms |
| AT&T DSL Fiber | 100 Mbps | 81 Mbps | 7 ms |
| Sail Internet Fixed Wireless | 103 Mbps | 52 Mbps | 7 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 124 Mbps for download speeds and 13 Mbps for upload speeds over 37,521 recent tests.
Xfinity has the fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Sunnyvale. 30% of users saw download speeds between 100-250 Mbps, and 46% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| November 30, 2023 | 94 Mbps | 36 Mbps | 22 ms |
| November 30, 2023 | 941 Mbps | 42 Mbps | 6 ms |
| November 30, 2023 | 456 Mbps | 75 Mbps | 9 ms |
| November 30, 2023 | 67 Mbps | 1 Mbps | 6 ms |
| November 30, 2023 | 923 Mbps | 37 Mbps | 5 ms |
| November 30, 2023 | 818 Mbps | 22 Mbps | 7 ms |
| November 30, 2023 | 42 Mbps | 4 Mbps | 20 ms |
| November 30, 2023 | 11 Mbps | 4 Mbps | 6 ms |
| November 30, 2023 | 28 Mbps | 4 Mbps | 8 ms |
| November 30, 2023 | 828 Mbps | 18 Mbps | 14 ms |
AT&T is the 2nd most popular provider in Sunnyvale offering DSL and fiber internet service. Users have been getting 100 Mbps for download speeds and 81 Mbps for upload speeds over 11,603 recent tests.
AT&T has the 3rd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Sunnyvale. 19% of users saw download speeds between 50-100 Mbps, and 31% of users saw upload speeds faster than 250 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| November 30, 2023 | 48 Mbps | 62 Mbps | 28 ms |
| November 30, 2023 | 498 Mbps | 469 Mbps | 5 ms |
| November 30, 2023 | 213 Mbps | 502 Mbps | 7 ms |
| November 30, 2023 | 29 Mbps | 47 Mbps | 8 ms |
| November 30, 2023 | 541 Mbps | 601 Mbps | 22 ms |
| November 30, 2023 | 17 Mbps | 1 Mbps | 11 ms |
| November 30, 2023 | 62 Mbps | 93 Mbps | 15 ms |
| November 30, 2023 | 32 Mbps | 1 Mbps | 11 ms |
| November 30, 2023 | 80 Mbps | 4 Mbps | 7 ms |
| November 30, 2023 | 319 Mbps | 12 Mbps | 11 ms |
Sail Internet is the 3rd most popular provider in Sunnyvale offering fixed wireless internet service. Users have been getting 103 Mbps for download speeds and 52 Mbps for upload speeds over 216 recent tests.
Sail Internet has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Sunnyvale. 29% of users saw download speeds between 100-250 Mbps, and 24% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| November 30, 2023 | 13 Mbps | 1 Mbps | 4 ms |
| November 20, 2023 | 687 Mbps | 181 Mbps | 4 ms |
| November 20, 2023 | 173 Mbps | 87 Mbps | 5 ms |
| November 16, 2023 | 22 Mbps | 20 Mbps | 4 ms |
| November 16, 2023 | 192 Mbps | 1 Mbps | 19 ms |
| November 16, 2023 | 114 Mbps | 12 Mbps | 18 ms |
| November 16, 2023 | 8 Mbps | 91 Mbps | 4 ms |
| November 15, 2023 | 67 Mbps | 1 Mbps | 4 ms |
| November 13, 2023 | 30 Mbps | 16 Mbps | 20 ms |
| November 13, 2023 | 101 Mbps | 64 Mbps | 3 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.