Porthmadog

Cell coverage comparison in Porthmadog, Wales

Based on crowdsourced speed tests and signal measurements in Porthmadog, Wales using data from Gwynedd, the current snapshot reflects 85 speed tests and shows medians of 16.0 Mbps download, 5.2 Mbps upload, and 71 ms latency.

Not enough data for Porthmadog

Showing performance data for Gwynedd instead. We need at least 25 speed tests in Porthmadog to generate local metrics.

Performance by Carrier in Gwynedd

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Gwynedd, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.

DownDownload42.7 Mbps

UpUpload3.3 Mbps

Reliab.Reliability4.6 / 10

15 tests conducted

View Carrier

DownDownload9.3 Mbps

UpUpload3.5 Mbps

Reliab.Reliability7.1 / 10

35 tests conducted

View Carrier

Three

DownDownloadNo data

UpUploadNo data

Reliab.ReliabilityNo data

View Carrier

Vodafone

DownDownload37.0 Mbps

UpUpload29.9 Mbps

Reliab.Reliability3.1 / 10

35 tests conducted

View Carrier

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Gwynedd. Each row reflects download, upload, latency, and reliability for that carrier.

Providers included in this comparison are EE, O2, Three, Vodafone. Per-carrier test counts are shown in the table to indicate data accuracy.

Network Performance in Gwynedd

Get a complete view of mobile network performance across Gwynedd with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Gwynedd-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.

Median Performance

Download

16.0Mbps

Upload

5.2Mbps

Latency

71ms

Reliability

6.1/ 10

Top Performers

Best Download: EE

42.7 Mbps

Best Upload: Vodafone

29.9 Mbps

Best Latency: EE

41 ms

Best Reliability: O2

7.1 / 10

Based on 85 speed tests

Network Performance aggregates all measured carriers in Gwynedd to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

Local testing in Porthmadog is limited, so these medians are based on data from Gwynedd. Current medians are 16.0 Mbps download, 5.2 Mbps upload, and 71 ms latency.

Cell Coverage in Porthmadog: FAQ

What is the best cell phone carrier in Porthmadog?

Based on crowdsourced speed tests in Gwynedd, EE currently leads in median download speeds. Compare carriers in the performance table above for the latest results.

Why might this page show limited data for Porthmadog?

We need at least 25 recent speed tests to generate reliable local metrics. Until we reach that threshold in Porthmadog, we show performance data for Gwynedd when it is available.

What is the reliability score?

The reliability score summarizes how dependable mobile performance is in Gwynedd. It uses a 0.0 to 10.0 scale (higher is better) and is calculated from real-world speed test percentiles with weighted components: download (50%), latency (30%), and upload (20%). It evaluates the lower-end experience using the bottom 10%, 5%, and 1% percentiles when enough samples are available. If local speed testing is limited, a coverage-based fallback is used from signal quality distribution (great/good/poor).

How can I check coverage at my specific address in Porthmadog?

Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.

How can I contribute coverage data for Porthmadog?

Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.

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Explore detailed coverage data for Porthmadog on our interactive map.

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