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 273,144 recent tests, our research shows that Xfinity customers have been getting 173 Mbps for download speeds and 18 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 March 18, 2024
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →		173 Mbps18 Mbps10 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →		124 Mbps74 Mbps6 ms
Sail Internet
Fixed Wireless
View Details →		146 Mbps77 Mbps9 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Jose, CA

Xfinity

Cable
Fiber

Download Speed

173Mbps

Upload Speed

18Mbps

Latency

10ms

Overview

Xfinity is the most popular provider in San Jose offering cable and fiber internet service. Users have been getting 173 Mbps for download speeds and 18 Mbps for upload speeds over 273,144 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. 26% of users saw download speeds between 100-250 Mbps, and 42% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
March 16, 2024512 Mbps23 Mbps19 ms
March 16, 2024223 Mbps32 Mbps24 ms
March 16, 202491 Mbps19 Mbps14 ms
March 16, 2024204 Mbps44 Mbps20 ms
March 16, 20241 Mbps1 Mbps18 ms
March 16, 2024253 Mbps24 Mbps15 ms
March 16, 2024118 Mbps19 Mbps12 ms
March 16, 2024138 Mbps1 Mbps7 ms
March 16, 2024571 Mbps18 Mbps14 ms
March 16, 202456 Mbps2 Mbps7 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

124Mbps

Upload Speed

74Mbps

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 124 Mbps for download speeds and 74 Mbps for upload speeds over 99,139 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. 23% 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
March 16, 202457 Mbps50 Mbps10 ms
March 16, 202493 Mbps78 Mbps4 ms
March 16, 2024604 Mbps1 Mbps6 ms
March 16, 2024474 Mbps93 Mbps4 ms
March 16, 2024259 Mbps1 Mbps5 ms
March 16, 2024461 Mbps87 Mbps4 ms
March 16, 2024310 Mbps488 Mbps4 ms
March 16, 2024294 Mbps141 Mbps5 ms
March 16, 2024116 Mbps71 Mbps32 ms
March 16, 202414 Mbps7 Mbps20 ms

Sail Internet

Fixed Wireless

Download Speed

146Mbps

Upload Speed

77Mbps

Latency

9ms

Overview

Sail Internet is the 3rd most popular provider in San Jose offering fixed wireless internet service. Users have been getting 146 Mbps for download speeds and 77 Mbps for upload speeds over 20,427 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. 29% of users saw download speeds between 100-250 Mbps, and 24% of users saw upload speeds between 100-250 Mbps.

Download Speeds

Upload Speeds

Recent Sail Internet Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
March 16, 2024170 Mbps13 Mbps12 ms
March 16, 2024314 Mbps114 Mbps14 ms
March 16, 20243 Mbps12 Mbps25 ms
March 16, 2024794 Mbps508 Mbps2 ms
March 16, 20243 Mbps2 Mbps6 ms
March 16, 2024400 Mbps379 Mbps5 ms
March 16, 2024107 Mbps143 Mbps22 ms
March 16, 2024257 Mbps164 Mbps19 ms
March 16, 2024108 Mbps32 Mbps8 ms
March 16, 202448 Mbps56 Mbps19 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.