Best Internet Providers in Sunnyvale, California for 2026
Compare the Best Internet Service Providers in Sunnyvale, CA
Not all plans are available in all areas. Provider plan, availability, and speed tier data provided by BroadbandNow.com. Speedtest real-world data is only present where sample size has reached significance within a region. Additionally, averages may include aggregated tests across multiple Internet Types (Fiber, DSL, Cable, etc.).
Sunnyvale might not be as flashy as San Francisco or San Jose, but as a core city in Silicon Valley, it’s one of the most connected places in the country. With tech professionals working on next-gen software from home offices, students at De Anza College or nearby Stanford studying remotely, and families balancing streaming, gaming, and smart home devices, dependable internet here is a huge part of daily life. Add in the growing number of startups and remote workers clustered around Sunnyvale’s business parks, and reliable Wi-Fi becomes as important as that strong cup of coffee you need on your way to work…or running errands…or just, existing.
This is where critical thinking comes into play, and you have to remember that just because certain speeds are advertised doesn’t mean that’s what you’ll actually experience once it’s all hooked up. Plus, you’ve got to compare and contrast based on what you need specifically. Download speeds get the spotlight, but uploads matter too, especially for engineers, designers, and creators sending files to the cloud. Latency is equally critical for gamers and remote workers who can’t afford stutters on video calls. The best provider in Sunnyvale is the one that fits your mix of tasks, whether that’s handling casual browsing or high-bandwidth, low-latency work from home.
How much speed do you really need? Internet needs in Sunnyvale vary as much as the city’s households. A solo renter in a Cherry Orchard apartment who shops, games it up, has a video call or two a week, and researches the best shows out to fuel their binge-watching session can get by with something like 25 Mbps download and 10 Mbps upload. But that’s not everyone’s case, as there are also a lot of homes in Sunnyvale that are tech-heavy and packed with connected devices.
Lakewood Village is an area that has a lot going on, with some households dealing with one parent on video calls with overseas colleagues, another uploading product demos to cloud platforms, kids playing online games, and a couple of smart speakers running in the background. In that case, 100–300 Mbps is a good starting point. For heavy workloads, like a startup founder uploading large prototypes to servers or a YouTuber in Heritage District streaming live in 4K, fiber speeds of 1 Gbps or more are far more practical.
Symmetrical upload and download speeds make creative and professional work easy sailing, so keep that in mind as well. And, low latency means smoother video calls, snappier gaming, and faster real-time collaboration. The key is thinking about what your household actually does online, not just the raw numbers on a plan.
What’s Coming Down the Pipeline?
Several initiatives are pushing Sunnyvale’s broadband even further:
- AT&T Fiber Expansion: AT&T has added over 10,000 new fiber locations in Santa Clara County as of late 2024, with continued rollout planned through 2026 to support multi-gigabit residential and business access.
- Sunnyvale Strategic Infrastructure Priorities: Sunnyvale’s City Council adopted strategic priorities through 2027 that include investing in modern public infrastructure—such as broadband access, digital service delivery, and smart systems—to support equity and sustainability.
- Cityline Sunnyvale Redevelopment & Connectivity Upgrades: The Cityline redevelopment project in downtown Sunnyvale includes infrastructure upgrades that support high-speed internet access for mixed-use developments, tech offices, and residential units—backed by fiber-ready construction standards.
These projects ensure Sunnyvale stays at the forefront of digital connectivity, supporting its tech economy and diverse community.
How to Choose the Right Internet Plan in Sunnyvale
The right plan depends on your home’s specific needs. Fiber is usually the all-around internet package that can meet a variety of needs, but of course, it usually costs more. You’ll have to decide if you rely on your internet so much that the cost justifies the value it would have in terms of carrying out daily activities.
Cable, satellite, and other options are less expensive, but you’ll also get slower upload times and higher latency. For some people that might not matter because they aren’t using the web that much anyway these days. As long as you have what you need and feel like there aren’t any hiccups with your service, you’re good.
Also, always read the fine print, as promo pricing coming to an end, fees for equipment rentals or data overages can inflate your bill. In Sunnyvale, service availability can differ dramatically, so always check your exact address with providers.

How Much Speed Do I Need?
Download speeds of at least 100 Mbps and upload speeds of at least 10 Mbps are widely considered fast enough to handle nearly any online activity. A quick guide to what speeds you need for different online activities is below, and you can read our full guide to internet speeds and performance for more information. Keep in mind that the numbers below are the bare minimum for one device at a time. If you’re trying to use multiple devices on a network at the same time, you’ll want higher speeds.
0–5 Mbps (Slow)
- Stream SD video
- Connect on Slack
- Use Microsoft Teams
- Write and read email
- Scroll social media
- General web browsing
5–20 Mbps (Better)
- Stream HD video at 1080p
20–40 Mbps (Solid)
- Stream 4K video
- Play games online
40–100 Mbps (Good)
- Stream HD games
100+ Mbps (Fast)
- Engage in multi-player gaming
- Download huge files
1+ Gbps (Very fast)
- Do anything you want on multiple devices
ISP Speeds in Sunnyvale, CA
Sunnyvale is ahead of the curve compared to most U.S. cities thanks to its Silicon Valley location. According to Speedtest Intelligence®, as of January 2026, the city shows median fixed broadband downloads of 352.92 Mbps, uploads around 41.76 Mbps, and latency near 10 ms. That’s a strong foundation, but let’s break down the major providers.
Based on Speedtest data collected in the second half of 2025, here’s how the major providers compare:
- AT&T Fiber: One of the top providers in Silicon Valley with 93% coverage across Sunnyvale. AT&T Fiber posts median downloads of 404.13 Mbps, uploads of 325.02 Mbps, and latency near 11 ms. The symmetrical speeds are excellent for remote professionals, gamers, and cloud-reliant households. Plans range from $34–$255/month.
- Xfinity: Available across 98% of Sunnyvale, Xfinity delivers median downloads of 321.88 Mbps, uploads of 40.72 Mbps, and latency near 21 ms. That’s a solid choice for heavy streaming, casual gaming, and general household use, with uploads right in line with the city median. Plans range from $40–$70/month.
- Etheric Networks: A fixed wireless provider with 96% geographic reach in Sunnyvale. Real-world Speedtest data is not yet available for this provider.
- Rocky Ridge Wireless: Fixed wireless service covering 80% of Sunnyvale with plans from $60–$150/month. Real-world Speedtest data is not yet available.
- Tekify Fiber & Wireless: Offering fiber and fixed wireless service with 23% coverage, starting from $65/month. Real-world Speedtest data is not yet available.
- Sail Internet: Fixed wireless and DSL provider with 6% coverage, starting from $55/month. Real-world Speedtest data is not yet available.
Sunnyvale is spoiled for choice compared to many U.S. cities. Fiber dominates with AT&T offering symmetrical speeds, while cable (Xfinity) covers more addresses with solid performance for most household needs.
Sunnyvale Fixed Speeds
Download Mbps
Median download speed
Upload Mbps
Median upload speed
Latency ms
Median latency
To be added to this list for mobile or fixed broadband, 75% of a city's monthly unique user totals over a 13-month period must have a minimum of 200 monthly unique user results. To be updated for mobile or fixed broadband, 75% of a city's monthly unique user totals over a 13-month period must have a minimum of 100 monthly unique user results.
An operator or ISP must account for 3% or more of total test samples in the market to be on this list. We display data if at least two operators or ISPs meet this threshold in a designated region or city.
Internet Providers in Nearby Cities
California
Home Internet in Sunnyvale
Don’t find yourself worrying about choosing the same plan as your neighbor, or asking them what works for them, as you two might have completely different household needs; what’s good for them may not be good for you.
Tech professionals working from Eichler-style homes need flawless connections for virtual standups, while families in Ponderosa Park rely on smooth streaming and gaming for downtime. Even retirees in Ortega enjoy video calls with family, online shopping, and telehealth—all dependent on a reliable internet plan.
Fiber is the go-to for professionals and creators. For example, a software developer in Heritage District pushing code to remote servers will notice the difference between 325 Mbps uploads on fiber and 40 Mbps on cable. Streamers and content creators also benefit from symmetrical speeds and lower latency, which keep livestreams smooth.
Cable plans from providers like Xfinity are plenty for most everyday households: multiple crystal-clear streams, social media, and gaming are easily handled. Upload speeds are more modest than fiber, but still solid for typical household use.
At the time of this writing, pricing starts around $34–$40/month for basic plans, while fiber gigabit packages run $65–$255/month depending on speed tier. Promotional pricing often looks attractive at first but can spike after a year. Don’t forget to factor in router rental or installation fees.
What About Wireless and Satellite Options?
5G home internet is also available in Sunnyvale. T-Mobile 5G Home Internet covers 73% of the city with plans around $50–$70/month, while Verizon 5G Home Internet covers 35% at $35–$75/month. These services typically deliver 200–400 Mbps downloads depending on signal strength. For renters or people waiting on fiber installation, this is a quick and flexible alternative. Mint Mobile also offers 5G internet with 11% coverage at $30–$50/month. Real-world Speedtest data isn’t available for these wireless providers yet.
Satellite service from Starlink, Viasat, and HughesNet is available with 100% coverage but rarely the first choice in an urban environment like Sunnyvale. Starlink plans range from $59–$165/month, Viasat from $69.99–$119.99/month, and HughesNet from $39.99–$119.99/month. Latency is typically higher (often 50–100 ms) which makes real-time gaming and professional calls less seamless. Real-world Speedtest data isn’t available for satellite providers in Sunnyvale. Nonetheless, for households on the far edges of Santa Clara County or as a backup connection, satellite remains a viable option.
How we test the speed of ISPs
Speedtest is the definitive way to test the performance and quality of an internet connection. Millions of users like you use Speedtest.net and our Android and iOS apps every day to test internet performance (including bandwidth, latency, coverage, video metrics, and more) in real world situations. We then use rigorous scientific approaches to aggregate and anonymize those results to empower people like you with content like this so you can understand and optimize your internet experience.

The data found within has not been subjected to the rigorous Speedtest marketing claims and data methodology, and therefore cannot be used in commercial applications. Additionally, promised speeds and plans offered are always subject to change.
How to test your internet speed
Speedtest can help you test the speed and overall performance of your internet for free from any device. Click here to open a new page and take a Speedtest. You can then compare your results with what you’ve learned about internet performance near you. If you aren’t getting the results you expect, you can either use this guide to use your Speedtest results to talk to your internet provider or you can shop for a new provider.









