RealSpeeds

Internet Speeds in San Diego, CA

Residents of San Diego have 4 internet providers to choose from. The most popular provider is Cox Communications, which offers cable and fiber internet service. Over 113,810 recent tests, our research shows that Cox Communications customers have been getting 111 Mbps for download speeds and 11 Mbps for upload speeds. Besides Cox Communications, residents of San Diego may be able to choose from Spectrum, AT&T and Webpass which offer cable, DSL, fiber and fixed wireless internet service.

While these are the real speeds we have been seeing in recent tests, there are many factors that affect download and upload speeds, so your actual service may differ.

Last updated on August 12, 2022
ProviderDownload SpeedUpload SpeedLatency
Cox Communications
Cable
Fiber
View Details →
111 Mbps11 Mbps10 ms
Spectrum
Cable
View Details →
147 Mbps11 Mbps13 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
84 Mbps30 Mbps10 ms
Webpass
Fiber
Fixed Wireless
View Details →
205 Mbps156 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Diego, CA

Cox Communications

Cable
Fiber

Download Speed

111Mbps

Upload Speed

11Mbps

Latency

10ms

Overview

Cox Communications is the most popular provider in San Diego offering cable and fiber internet service. Users have been getting 111 Mbps for download speeds and 11 Mbps for upload speeds over 113,810 recent tests.

Speed Breakdown

Cox Communications has the 3rd fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in San Diego. 23% of users saw download speeds between 100-250 Mbps, and 38% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
August 11, 20222 Mbps1 Mbps14 ms
August 11, 20222 Mbps1 Mbps8 ms
August 11, 202241 Mbps10 Mbps21 ms
August 11, 202213 Mbps1 Mbps10 ms
August 11, 2022895 Mbps36 Mbps6 ms
August 11, 20221 Mbps1 Mbps13 ms
August 11, 202252 Mbps8 Mbps9 ms
August 11, 202246 Mbps1 Mbps12 ms
August 11, 2022226 Mbps11 Mbps9 ms
August 11, 202252 Mbps11 Mbps10 ms

Spectrum

Cable

Download Speed

147Mbps

Upload Speed

11Mbps

Latency

13ms

Overview

Spectrum is the 2nd most popular provider in San Diego offering cable internet service. Users have been getting 147 Mbps for download speeds and 11 Mbps for upload speeds over 104,124 recent tests.

Speed Breakdown

Spectrum has the 2nd fastest average download speeds and the 4th fastest average upload speeds out of all of the providers in San Diego. 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

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
August 11, 2022224 Mbps8 Mbps12 ms
August 11, 2022200 Mbps11 Mbps16 ms
August 11, 2022296 Mbps13 Mbps55 ms
August 11, 2022157 Mbps9 Mbps15 ms
August 11, 202270 Mbps23 Mbps11 ms
August 11, 2022102 Mbps11 Mbps57 ms
August 11, 202242 Mbps8 Mbps15 ms
August 11, 2022136 Mbps12 Mbps13 ms
August 11, 2022472 Mbps21 Mbps10 ms
August 11, 2022747 Mbps40 Mbps9 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

84Mbps

Upload Speed

30Mbps

Latency

10ms

Overview

AT&T is the 3rd most popular provider in San Diego offering DSL, fiber and fixed wireless internet service. Users have been getting 84 Mbps for download speeds and 30 Mbps for upload speeds over 66,297 recent tests.

Speed Breakdown

AT&T has the 4th fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in San Diego. 20% of users saw download speeds between 50-100 Mbps, and 21% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
August 11, 20221 Mbps1 Mbps254 ms
August 11, 20222 Mbps1 Mbps26 ms
August 11, 202243 Mbps1 Mbps24 ms
August 11, 2022381 Mbps258 Mbps9 ms
August 11, 20221 Mbps1 Mbps110 ms
August 11, 2022136 Mbps134 Mbps8 ms
August 11, 202218 Mbps3 Mbps23 ms
August 11, 2022345 Mbps268 Mbps8 ms
August 11, 202235 Mbps8 Mbps9 ms
August 11, 2022464 Mbps419 Mbps11 ms

Webpass

Fiber
Fixed Wireless

Download Speed

205Mbps

Upload Speed

156Mbps

Latency

6ms

Overview

Webpass is the 4th most popular provider in San Diego offering fiber and fixed wireless internet service. Users have been getting 205 Mbps for download speeds and 156 Mbps for upload speeds over 23,428 recent tests.

Speed Breakdown

Webpass has the fastest average download speeds and the fastest average upload speeds out of all of the providers in San Diego. 25% of users saw download speeds between 250-500 Mbps, and 37% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
August 11, 2022737 Mbps652 Mbps5 ms
August 11, 2022200 Mbps185 Mbps5 ms
August 11, 2022134 Mbps132 Mbps5 ms
August 11, 202264 Mbps42 Mbps8 ms
August 11, 2022380 Mbps395 Mbps7 ms
August 11, 2022636 Mbps430 Mbps5 ms
August 11, 2022449 Mbps661 Mbps4 ms
August 11, 2022250 Mbps225 Mbps8 ms
August 11, 2022571 Mbps634 Mbps4 ms
August 11, 2022385 Mbps285 Mbps33 ms

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Frequently Asked Questions

What internet providers are available in San Diego, CA?

Cox Communications, Spectrum, AT&T and Webpass currently operate in San Diego.

What is the most popular internet provider in San Diego, CA?

Cox Communications is currently the most popular internet provider in San Diego based on the number of speed tests in the last 3 months.

What is the fastest internet provider in San Diego, CA?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in San Diego are getting, Webpass provides the fastest download speeds and Webpass provides the fastest upload speeds.