Internet Speed in San Diego

Check who provides the fastest broadband and mobile internet in San Diego. Swipe the map and select any city to check the current statistics.

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Internet Provider
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Spectrum286,521,023
Cox214,549,427
AT&T185,0151,022
T-Mobile145,129,452
MetricsMb/sMb/sms

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In the 12-month period (April 2024 - March 2025), the fastest broadband internet in San Diego was provided by Spectrum with an average download speed of 286,5 Mb/s. The highest data upload speed was achieved by AT&T (151,0 Mb/s). The lowest ping was recorded with the AT&T at 22 milliseconds.

During the same time, the fastest mobile internet in San Diego was delivered by T-Mobile with an average download speed of 189,6 Mb/s. The highest data upload speed was recorded with the T-Mobile operator (17,5 Mb/s). The lowest ping was observed with the Verizon at 39 milliseconds.

Broadband Internet Speed in San Diego

In San Diego broadband Internet download speed is 179,8 Mb/s and upload speed is 58,5 Mb/s. Average latency is equal to 33 ms.

Internet Provider download [Mb/s] upload [Mb/s] ping [ms]
Spectrum 286,5 21,0 23
Cox 214,5 49,4 27
AT&T 185,0 151,0 22
T-Mobile 145,1 29,4 52
All ISP 179,8 58,5 33

Mobile Internet Speed in San Diego

In San Diego mobile Internet download speed is 139,8 Mb/s and upload speed is 17,1 Mb/s. Average latency is equal to 48 ms.

Internet Provider download [Mb/s] upload [Mb/s] ping [ms]
T-Mobile 189,6 17,5 42
AT&T 128,9 14,2 43
Verizon 121,4 15,2 39
All ISP 139,8 17,1 48

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