Portsmouth residents have 2 internet providers to choose from. Spectrum is the most popular provider, offering cable internet service. In our research, we have been seeing 145 Mbps for download speeds and 11 Mbps for upload speeds for Spectrum customers over 7,701 recent tests. In addition to Spectrum, DSL internet service is also available from Frontier Communications.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Spectrum Cable | 145 Mbps | 11 Mbps | 36 ms |
| Frontier Communications DSL | 19 Mbps | 2 Mbps | 43 ms |
| * Data from speed tests taken in the last 3 months | |||
Spectrum is the most popular provider in Portsmouth offering cable internet service. Users have been getting 145 Mbps for download speeds and 11 Mbps for upload speeds over 7,701 recent tests.
Spectrum has the fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Portsmouth. 36% of users saw download speeds between 100-250 Mbps, and 61% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 130 Mbps | 32 Mbps | 38 ms |
| June 17, 2024 | 124 Mbps | 21 Mbps | 41 ms |
| June 17, 2024 | 147 Mbps | 12 Mbps | 30 ms |
| June 17, 2024 | 145 Mbps | 12 Mbps | 36 ms |
| June 17, 2024 | 146 Mbps | 11 Mbps | 36 ms |
| June 17, 2024 | 547 Mbps | 887 Mbps | 20 ms |
| June 17, 2024 | 146 Mbps | 11 Mbps | 34 ms |
| June 17, 2024 | 567 Mbps | 38 Mbps | 29 ms |
| June 17, 2024 | 534 Mbps | 33 Mbps | 34 ms |
| June 17, 2024 | 130 Mbps | 5 Mbps | 37 ms |
Frontier Communications is the 2nd most popular provider in Portsmouth offering DSL internet service. Users have been getting 19 Mbps for download speeds and 2 Mbps for upload speeds over 673 recent tests.
Frontier Communications 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 Portsmouth. 32% of users saw download speeds between 10-25 Mbps, and 75% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 251 Mbps | 303 Mbps | 30 ms |
| June 17, 2024 | 11 Mbps | 1 Mbps | 128 ms |
| June 17, 2024 | 83 Mbps | 6 Mbps | 32 ms |
| June 17, 2024 | 20 Mbps | 1 Mbps | 32 ms |
| June 17, 2024 | 30 Mbps | 3 Mbps | 28 ms |
| June 17, 2024 | 17 Mbps | 2 Mbps | 43 ms |
| June 17, 2024 | 46 Mbps | 1 Mbps | 32 ms |
| June 16, 2024 | 4 Mbps | 1 Mbps | 39 ms |
| June 16, 2024 | 85 Mbps | 5 Mbps | 28 ms |
| June 15, 2024 | 9 Mbps | 1 Mbps | 41 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.