RealSpeeds

Internet Speeds in Sunnyvale, CA

Residents of Sunnyvale have 3 internet providers to choose from. The most popular provider is Xfinity, which offers cable internet service. Over 47,794 recent tests, our research shows that Xfinity customers have been getting 118 Mbps for download speeds and 12 Mbps for upload speeds. Besides Xfinity, residents of Sunnyvale 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 September 22, 2022
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
View Details →
118 Mbps12 Mbps9 ms
AT&T
DSL
Fiber
View Details →
130 Mbps84 Mbps6 ms
Sail Internet
Fixed Wireless
View Details →
309 Mbps231 Mbps6 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Sunnyvale, CA

Xfinity

Cable

Download Speed

118Mbps

Upload Speed

12Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Sunnyvale offering cable internet service. Users have been getting 118 Mbps for download speeds and 12 Mbps for upload speeds over 47,794 recent tests.

Speed Breakdown

Xfinity has the 3rd fastest average download speeds and the 3rd fastest average upload speeds out of all of the providers in Sunnyvale. 24% 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 Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 2022464 Mbps12 Mbps7 ms
September 20, 2022117 Mbps1 Mbps8 ms
September 20, 2022457 Mbps28 Mbps6 ms
September 20, 2022116 Mbps6 Mbps12 ms
September 20, 202294 Mbps40 Mbpsn/a ms
September 20, 20228 Mbps2 Mbps17 ms
September 20, 2022838 Mbps18 Mbps7 ms
September 20, 202218 Mbps12 Mbps9 ms
September 20, 202242 Mbps6 Mbps7 ms
September 20, 2022269 Mbps11 Mbps18 ms

AT&T

DSL
Fiber

Download Speed

130Mbps

Upload Speed

84Mbps

Latency

6ms

Overview

AT&T is the 2nd most popular provider in Sunnyvale offering DSL and fiber internet service. Users have been getting 130 Mbps for download speeds and 84 Mbps for upload speeds over 10,319 recent tests.

Speed Breakdown

AT&T has the 2nd fastest average download speeds and the 2nd fastest average upload speeds out of all of the providers in Sunnyvale. 25% 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 Speed Tests

DateDownload SpeedUpload SpeedLatency
September 20, 2022486 Mbps434 Mbps7 ms
September 20, 2022746 Mbps602 Mbps8 ms
September 20, 2022524 Mbps439 Mbps6 ms
September 20, 2022131 Mbps278 Mbps6 ms
September 20, 202258 Mbps27 Mbps6 ms
September 20, 2022380 Mbps289 Mbps6 ms
September 20, 2022402 Mbps317 Mbps5 ms
September 20, 2022271 Mbps362 Mbpsn/a ms
September 20, 202258 Mbps93 Mbpsn/a ms
September 20, 2022229 Mbps200 Mbps7 ms

Sail Internet

Fixed Wireless

Download Speed

309Mbps

Upload Speed

231Mbps

Latency

6ms

Overview

Sail Internet is the 3rd most popular provider in Sunnyvale offering fixed wireless internet service. Users have been getting 309 Mbps for download speeds and 231 Mbps for upload speeds over 555 recent tests.

Speed Breakdown

Sail Internet has the fastest average download speeds and the fastest average upload speeds out of all of the providers in Sunnyvale. 29% of users saw download speeds faster than 500 Mbps, and 51% of users saw upload speeds faster than 250 Mbps.

Download Speeds

Upload Speeds

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Frequently Asked Questions

What internet providers are available in Sunnyvale, CA?

Xfinity, AT&T and Sail Internet currently operate in Sunnyvale.

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

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

What is the fastest internet provider in Sunnyvale, 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 Sunnyvale are getting, Sail Internet provides the fastest download speeds and Sail Internet provides the fastest upload speeds.

Is there fiber internet in Sunnyvale, CA?

AT&T provides fiber internet in Sunnyvale.