RealSpeeds

Internet Speeds in San Jose, CA

Residents of San Jose have 3 internet providers to choose from. The most popular provider is Xfinity, which offers cable and fiber internet service. Over 211,699 recent tests, our research shows that Xfinity customers have been getting 154 Mbps for download speeds and 12 Mbps for upload speeds. Besides Xfinity, residents of San Jose may be able to choose from AT&T and Sail Internet which offer 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 February 3, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
154 Mbps12 Mbps9 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
109 Mbps71 Mbps6 ms
Sail Internet
Fixed Wireless
View Details →
152 Mbps109 Mbps7 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Jose, CA

Xfinity

Cable
Fiber

Download Speed

154Mbps

Upload Speed

12Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in San Jose offering cable and fiber internet service. Users have been getting 154 Mbps for download speeds and 12 Mbps for upload speeds over 211,699 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in San Jose. 24% of users saw download speeds between 100-250 Mbps, and 48% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
February 2, 2023266 Mbps11 Mbps8 ms
February 2, 2023119 Mbps11 Mbps6 ms
February 2, 2023139 Mbps12 Mbps5 ms
February 2, 2023357 Mbps139 Mbps9 ms
February 2, 2023135 Mbps5 Mbps7 ms
February 2, 2023542 Mbps22 Mbps14 ms
February 2, 2023171 Mbps1 Mbps14 ms
February 2, 2023796 Mbps23 Mbps6 ms
February 2, 2023324 Mbps1 Mbps7 ms
February 2, 2023324 Mbps18 Mbps9 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

109Mbps

Upload Speed

71Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in San Jose offering DSL, fiber and fixed wireless internet service. Users have been getting 109 Mbps for download speeds and 71 Mbps for upload speeds over 57,139 recent tests.

Performance Breakdown

AT&T has the 3rd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in San Jose. 22% of users saw download speeds between 250-500 Mbps, and 27% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
February 2, 202328 Mbps16 Mbps43 ms
February 2, 2023305 Mbps265 Mbps5 ms
February 2, 2023307 Mbps221 Mbps17 ms
February 2, 2023278 Mbps154 Mbps6 ms
February 2, 202371 Mbps98 Mbps5 ms
February 2, 2023578 Mbps9 Mbps4 ms
February 2, 202315 Mbps2 Mbps21 ms
February 2, 2023280 Mbps117 Mbps7 ms
February 2, 2023474 Mbps321 Mbps6 ms
February 2, 2023734 Mbps443 Mbps7 ms

Sail Internet

Fixed Wireless

Download Speed

152Mbps

Upload Speed

109Mbps

Latency

7ms

Overview

Sail Internet is the 3rd most popular provider in San Jose offering fixed wireless internet service. Users have been getting 152 Mbps for download speeds and 109 Mbps for upload speeds over 19,775 recent tests.

Performance Breakdown

Sail Internet has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Jose. 28% of users saw download speeds between 100-250 Mbps, and 37% of users saw upload speeds between 100-250 Mbps.

Download Speeds

Upload Speeds

Recent Sail Internet Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
February 2, 2023530 Mbps599 Mbpsn/a ms
February 2, 2023496 Mbps194 Mbpsn/a ms
February 2, 2023101 Mbps199 Mbpsn/a ms
February 2, 20231 Mbps1 Mbps133 ms
February 2, 2023665 Mbps777 Mbps2 ms
February 2, 202361 Mbps25 Mbps23 ms
February 2, 2023192 Mbps91 Mbps5 ms
February 2, 2023221 Mbps109 Mbps11 ms
February 2, 2023313 Mbps86 Mbps15 ms
February 2, 2023164 Mbps118 Mbps22 ms

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Frequently Asked Questions

What internet providers are available in San Jose, CA?

Xfinity, AT&T and Sail Internet currently operate in San Jose.

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

Xfinity is currently the most popular internet provider in San Jose based on the number of speed tests in the last 3 months.

What is the fastest internet provider in San Jose, 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 Jose are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in San Jose, CA?

AT&T and Xfinity provide fiber internet in San Jose.