RealSpeeds

Internet Speeds in Cupertino, CA

Residents of Cupertino have 3 internet providers to choose from. The most popular provider is Xfinity, which offers cable internet service. Over 19,246 recent tests, our research shows that Xfinity customers have been getting 110 Mbps for download speeds and 12 Mbps for upload speeds. Besides Xfinity, residents of Cupertino may be able to choose from AT&T and Etheric Networks 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 September 22, 2022
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
View Details →
110 Mbps12 Mbps9 ms
AT&T
DSL
Fiber
Fixed Wireless
View Details →
94 Mbps59 Mbps7 ms
Etheric Networks
Fixed Wireless
View Details →
24 Mbps19 Mbps9 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Cupertino, CA

Xfinity

Cable

Download Speed

110Mbps

Upload Speed

12Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Cupertino offering cable internet service. Users have been getting 110 Mbps for download speeds and 12 Mbps for upload speeds over 19,246 recent tests.

Speed Breakdown

Xfinity has the fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in Cupertino. 25% of users saw download speeds between 100-250 Mbps, and 50% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 202260 Mbps1 Mbps10 ms
September 20, 2022393 Mbps42 Mbps11 ms
September 20, 2022197 Mbps41 Mbpsn/a ms
September 20, 2022527 Mbps17 Mbpsn/a ms
September 20, 2022153 Mbps31 Mbps10 ms
September 20, 2022181 Mbps22 Mbpsn/a ms
September 20, 202253 Mbps35 Mbps16 ms
September 20, 202226 Mbps11 Mbps12 ms
September 20, 202294 Mbps41 Mbpsn/a ms
September 20, 20226 Mbps32 Mbps4 ms

AT&T

DSL
Fiber
Fixed Wireless

Download Speed

94Mbps

Upload Speed

59Mbps

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 94 Mbps for download speeds and 59 Mbps for upload speeds over 4,746 recent tests.

Speed Breakdown

AT&T has the 2nd fastest average download speeds and the fastest average upload speeds out of all of the providers in Cupertino. 24% of users saw download speeds between 250-500 Mbps, and 24% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 202269 Mbps27 Mbps6 ms
September 20, 2022420 Mbps370 Mbps7 ms
September 20, 202256 Mbps12 Mbps20 ms
September 20, 2022337 Mbps218 Mbpsn/a ms
September 20, 2022508 Mbps177 Mbps10 ms
September 20, 202272 Mbps6 Mbps24 ms
September 20, 20224 Mbps6 Mbps6 ms
September 20, 202246 Mbps6 Mbps20 ms
September 20, 202222 Mbps2 Mbps28 ms
September 20, 202293 Mbps94 Mbps5 ms

Etheric Networks

Fixed Wireless

Download Speed

24Mbps

Upload Speed

19Mbps

Latency

9ms

Overview

Etheric Networks is the 3rd most popular provider in Cupertino offering fixed wireless internet service. Users have been getting 24 Mbps for download speeds and 19 Mbps for upload speeds over 135 recent tests.

Speed Breakdown

Etheric Networks has the 3rd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Cupertino. 39% of users saw download speeds between 25-50 Mbps, and 31% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Speed Tests

DateDownload SpeedUpload SpeedLatency
September 18, 202230 Mbps16 Mbpsn/a ms
September 17, 2022412 Mbps387 Mbps2 ms
September 9, 202214 Mbps14 Mbps7 ms
September 8, 2022176 Mbps155 Mbps4 ms
August 25, 202231 Mbps16 Mbps15 ms

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Frequently Asked Questions

What internet providers are available in Cupertino, CA?

Xfinity, AT&T and Etheric Networks 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.