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 199,709 recent tests, our research shows that Xfinity customers have been getting 118 Mbps for download speeds and 16 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 December 1, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →		118 Mbps16 Mbps9 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →		93 Mbps63 Mbps7 ms
Sail Internet
Fixed Wireless
View Details →		126 Mbps64 Mbps12 ms
* Data from speed tests taken in the last 3 months

Internet Providers in San Jose, CA

Xfinity

Cable
Fiber

Download Speed

118Mbps

Upload Speed

16Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in San Jose offering cable and fiber internet service. Users have been getting 118 Mbps for download speeds and 16 Mbps for upload speeds over 199,709 recent tests.

Performance Breakdown

Xfinity has the 2nd fastest average download speed, the 3rd fastest average upload speed, and the 2nd lowest latency out of all of the providers in San Jose. 27% 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
November 30, 2023938 Mbps42 Mbps5 ms
November 30, 2023155 Mbps30 Mbps19 ms
November 30, 2023137 Mbps6 Mbps17 ms
November 30, 20239 Mbps4 Mbps10 ms
November 30, 202345 Mbps117 Mbps9 ms
November 30, 2023116 Mbps24 Mbps56 ms
November 30, 2023120 Mbps18 Mbps6 ms
November 30, 2023250 Mbps11 Mbps17 ms
November 30, 2023261 Mbps8 Mbps17 ms
November 30, 2023538 Mbps56 Mbps8 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

93Mbps

Upload Speed

63Mbps

Latency

7ms

Overview

AT&T is the 2nd most popular provider in San Jose offering DSL, fiber and fixed wireless internet service. Users have been getting 93 Mbps for download speeds and 63 Mbps for upload speeds over 79,943 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. 18% of users saw download speeds between 100-250 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
November 30, 202322 Mbps12 Mbps21 ms
November 30, 202349 Mbps5 Mbps148 ms
November 30, 2023227 Mbps314 Mbps8 ms
November 30, 2023942 Mbps916 Mbps51 ms
November 30, 202394 Mbps93 Mbps22 ms
November 30, 2023616 Mbps479 Mbps28 ms
November 30, 2023141 Mbps9 Mbps23 ms
November 30, 2023551 Mbps2 Mbps18 ms
November 30, 202354 Mbps12 Mbps22 ms
November 30, 2023284 Mbps243 Mbps5 ms

Sail Internet

Fixed Wireless

Download Speed

126Mbps

Upload Speed

64Mbps

Latency

12ms

Overview

Sail Internet is the 3rd most popular provider in San Jose offering fixed wireless internet service. Users have been getting 126 Mbps for download speeds and 64 Mbps for upload speeds over 16,994 recent tests.

Performance Breakdown

Sail Internet has the fastest average download speed, the fastest average upload speed, and the 3rd lowest latency out of all of the providers in San Jose. 32% of users saw download speeds between 100-250 Mbps, and 26% of users saw upload speeds between 50-100 Mbps.

Download Speeds

Upload Speeds

Recent Sail Internet Speed Tests in San Jose

DateDownload SpeedUpload SpeedLatency
November 30, 2023535 Mbps612 Mbps2 ms
November 30, 2023243 Mbps48 Mbps13 ms
November 30, 202385 Mbps32 Mbps11 ms
November 30, 202395 Mbps63 Mbps20 ms
November 30, 2023102 Mbps30 Mbps19 ms
November 29, 202371 Mbps85 Mbps11 ms
November 29, 2023525 Mbps588 Mbps2 ms
November 29, 2023217 Mbps36 Mbps15 ms
November 29, 2023204 Mbps59 Mbps13 ms
November 29, 2023160 Mbps41 Mbps15 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, Sail Internet provides the fastest download speeds and Sail Internet provides the fastest upload speeds.

Is there fiber internet in San Jose, CA?

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