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Let's test the speed to your device. We'll measure the speed from our servers to this device. Results are often lower than plan speeds due to WiFi conditions and device capabilities. Start Test.
Let's test the speed to your device. We'll measure the speed from our servers to this device. Results are often lower than plan speeds due to WiFi conditions and device capabilities. Start Test.
Get the fastest internet speed available at your location (max speed is up to 140 Mbps). For Fiber Speed may not be available in your area. Maximum download/upload speed of up to 940 Mbps via a wired connection.
The Xfinity Speed Test, also known as the Speed to Device Test, is a web-based speed test used to measure your real-time network connection. The test measures the download speed, upload speed, latency and activities that can be supported by the connection to your device.
Learn about how internet speed is measured and what factors affect your speed. Use our Internet Speed Test Tool to find your download & upload speeds.
Use Speedtest on all your devices with our free desktop and mobile apps.
Use our speed test to assess the quality of your broadband connection whether you use Xfinity or another provider. The dials above will return results on download speed and upload throughput. These metrics are the main signs of broadband quality.
Internet speed measures how long it takes data to get from the Internet to your computer, in megabits per second (Mbps). We offer speeds from everyday-browsing 50 Mbps to industry-leading 10-gigs (10,000 Mbps). Take our quiz to find the speed you need.
Test your Comcast Xfinity internet download speed, upload speed, and latency, plus learn more about Comcast speed test results and internet plans.
There are several good internet speed tests out there. If you're a Comcast Xfinity customer, in particular, Xfinity boasts its own speed test, available at...