Internet Speeds in Cupertino, CA

There are 2 internet providers operating in Cupertino, the most popular being Xfinity. Xfinity offers cable internet service. In 20,083 recent tests, on average, we have been seeing 177 Mbps for download speeds and 22 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 May 28, 2024
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
View Details →
177 Mbps22 Mbps9 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
127 Mbps80 Mbps7 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Cupertino, CA

Xfinity

Cable

Download Speed

177Mbps

Upload Speed

22Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Cupertino offering cable internet service. Users have been getting 177 Mbps for download speeds and 22 Mbps for upload speeds over 20,083 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 Cupertino. 26% of users saw download speeds between 250-500 Mbps, and 41% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Cupertino

DateDownload SpeedUpload SpeedLatency
May 27, 202481 Mbps35 Mbps4 ms
May 27, 2024215 Mbps24 Mbps13 ms
May 27, 2024246 Mbps95 Mbps7 ms
May 27, 202445 Mbps9 Mbps8 ms
May 27, 2024251 Mbps40 Mbps11 ms
May 27, 2024293 Mbps53 Mbps9 ms
May 27, 2024322 Mbps23 Mbps56 ms
May 27, 2024274 Mbps24 Mbps10 ms
May 27, 202476 Mbps21 Mbps9 ms
May 27, 2024804 Mbps19 Mbps7 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

127Mbps

Upload Speed

80Mbps

Latency

7ms

Overview

AT&T is the 2nd most popular provider in Cupertino offering DSL, fiber and fixed wireless internet service. Users have been getting 127 Mbps for download speeds and 80 Mbps for upload speeds over 6,507 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 Cupertino. 22% of users saw download speeds between 250-500 Mbps, and 28% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Cupertino

DateDownload SpeedUpload SpeedLatency
May 27, 2024356 Mbps196 Mbps6 ms
May 27, 2024371 Mbps1 Mbps6 ms
May 27, 2024261 Mbps155 Mbps10 ms
May 27, 2024185 Mbps187 Mbps6 ms
May 27, 202462 Mbps50 Mbps6 ms
May 27, 202448 Mbps7 Mbps24 ms
May 27, 2024681 Mbps344 Mbps3 ms
May 27, 2024362 Mbps31 Mbps7 ms
May 27, 202468 Mbps1 Mbps5 ms
May 27, 2024661 Mbps489 Mbps58 ms

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Frequently Asked Questions

What internet providers are available in Cupertino, CA?

Xfinity and AT&T currently operate in Cupertino.

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

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

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

Is there fiber internet in Cupertino, CA?

AT&T provides fiber internet in Cupertino.