In Boulder there are 2 internet service providers, with Xfinity being the most popular. Xfinity offers cable and fiber internet service. In recent tests, Xfinity customers had an average download speed of 188 Mbps and an average upload speed of 17 Mbps. In addition to Xfinity, DSL and fiber internet service is also available from CenturyLink.
While our research has shown these to be the real speeds that users experience, there are many factors that can affect the actual download and upload speeds you will encounter. These may include the type of internet connection you have, the distance between your device and the router, the number of users on the network, and the strength of the signal.
Provider | Download Speed | Upload Speed | Latency |
---|---|---|---|
Xfinity Cable Fiber | 188 Mbps | 17 Mbps | 8 ms |
CenturyLink DSL Fiber | 89 Mbps | 91 Mbps | 5 ms |
* Data from speed tests taken in the last 3 months |
Xfinity is the most popular provider in Boulder offering cable and fiber internet service. Users have been getting 188 Mbps for download speeds and 17 Mbps for upload speeds over 30,911 recent tests.
Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Boulder. 28% of users saw download speeds between 250-500 Mbps, and 49% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
March 16, 2024 | 1 Mbps | 1 Mbps | 14 ms |
March 16, 2024 | 161 Mbps | 22 Mbps | 18 ms |
March 16, 2024 | 191 Mbps | 40 Mbps | 12 ms |
March 16, 2024 | 169 Mbps | 24 Mbps | 8 ms |
March 16, 2024 | 322 Mbps | 22 Mbps | 4 ms |
March 16, 2024 | 113 Mbps | 21 Mbps | 11 ms |
March 16, 2024 | 44 Mbps | 41 Mbps | 9 ms |
March 16, 2024 | 294 Mbps | 40 Mbps | 4 ms |
March 16, 2024 | 321 Mbps | 41 Mbps | 4 ms |
March 16, 2024 | 875 Mbps | 23 Mbps | 5 ms |
CenturyLink is the 2nd most popular provider in Boulder offering DSL and fiber internet service. Users have been getting 89 Mbps for download speeds and 91 Mbps for upload speeds over 2,297 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Boulder. 30% of users saw download speeds between 50-100 Mbps, and 27% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
Date | Download Speed | Upload Speed | Latency |
---|---|---|---|
March 16, 2024 | 92 Mbps | 19 Mbps | 10 ms |
March 16, 2024 | 175 Mbps | 149 Mbps | 4 ms |
March 15, 2024 | 93 Mbps | 76 Mbps | 8 ms |
March 15, 2024 | 175 Mbps | 152 Mbps | 4 ms |
March 15, 2024 | 48 Mbps | 61 Mbps | 3 ms |
March 15, 2024 | 28 Mbps | 40 Mbps | 4 ms |
March 14, 2024 | 167 Mbps | 156 Mbps | 4 ms |
March 13, 2024 | 6 Mbps | 23 Mbps | 8 ms |
March 13, 2024 | 6 Mbps | 16 Mbps | 8 ms |
March 13, 2024 | 192 Mbps | 310 Mbps | 8 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.