Internet Speeds in Brentwood, CA

There are 2 internet providers operating in Brentwood, the most popular being Xfinity. Xfinity offers cable and fiber internet service. In 6,272 recent tests, on average, we have been seeing 145 Mbps for download speeds and 20 Mbps for upload speeds for Xfinity customers. In addition to Xfinity, DSL, fiber and fixed wireless internet service is also available from AT&T.

While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.

Last updated on December 1, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
145 Mbps20 Mbps10 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
87 Mbps87 Mbps8 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Brentwood, CA

Xfinity

Cable
Fiber

Download Speed

145Mbps

Upload Speed

20Mbps

Latency

10ms

Overview

Xfinity is the most popular provider in Brentwood offering cable and fiber internet service. Users have been getting 145 Mbps for download speeds and 20 Mbps for upload speeds over 6,272 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Brentwood. 29% of users saw download speeds between 100-250 Mbps, and 46% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Brentwood

DateDownload SpeedUpload SpeedLatency
November 30, 2023207 Mbps24 Mbps6 ms
November 30, 202320 Mbps27 Mbps9 ms
November 30, 2023505 Mbps17 Mbps16 ms
November 30, 2023118 Mbps17 Mbps17 ms
November 30, 2023348 Mbps24 Mbps15 ms
November 30, 2023306 Mbps35 Mbps18 ms
November 30, 202393 Mbps92 Mbps8 ms
November 30, 2023174 Mbps23 Mbps18 ms
November 30, 202349 Mbps9 Mbps8 ms
November 30, 20236 Mbps21 Mbps8 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

87Mbps

Upload Speed

87Mbps

Latency

8ms

Overview

AT&T is the 2nd most popular provider in Brentwood offering DSL, fiber and fixed wireless internet service. Users have been getting 87 Mbps for download speeds and 87 Mbps for upload speeds over 2,191 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Brentwood. 20% of users saw download speeds between 250-500 Mbps, and 30% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Brentwood

DateDownload SpeedUpload SpeedLatency
November 30, 202319 Mbps19 Mbps11 ms
November 30, 2023439 Mbps448 Mbps6 ms
November 30, 202349 Mbps46 Mbps8 ms
November 30, 202325 Mbps2 Mbps27 ms
November 30, 20238 Mbps1 Mbps19 ms
November 30, 202320 Mbps3 Mbps299 ms
November 30, 2023186 Mbps133 Mbps9 ms
November 30, 202335 Mbps12 Mbps23 ms
November 30, 202393 Mbps59 Mbps4 ms
November 30, 20237 Mbps2 Mbps44 ms

Test Your Internet Speed

Download
0
Mbps
Upload
0
Mbps
Latency ms

We’ll run a download test and an upload test to give you the full picture of your internet connection.

Nearby Cities

Popular Cities in California

Featured Cities

Frequently Asked Questions

What internet providers are available in Brentwood, CA?

Xfinity and AT&T currently operate in Brentwood.

What is the most popular internet provider in Brentwood, CA?

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

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

Is there fiber internet in Brentwood, CA?

AT&T and Xfinity provide fiber internet in Brentwood.