What is the average Xfinity (Comcast) speed?

Based on 901 verified speed measurements from Xfinity (Comcast) customers, the average download speed is 353 Mbps, upload is 88 Mbps, and ping is 32 ms.

How do I run a Xfinity (Comcast) speed test?

Click the 'Run Speed Test' button on this page. The test takes under a minute and works on any device. Your result will be compared to the Xfinity (Comcast) average.

Is my Xfinity (Comcast) connection slower than average?

Run the speed test above and compare your result to the Xfinity (Comcast) average of 353 Mbps download. If your speed is significantly lower (more than 30% below average), contact Xfinity (Comcast) support to troubleshoot.

Xfinity (Comcast) Speed Test

Real average speeds in United States based on 901 verified measurements.

Fast

Avg Download

353

Mbps

Avg Upload

Mbps

Avg Ping

Measurements

901

real users

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Xfinity (Comcast) vs Other United States ISPs

How Xfinity (Comcast) compares to competing ISPs in United States.

Frontier 120 tests

Avg Download 454 Mbps +101 Mbps faster Compare →

Optimum 91 tests

Avg Download 386 Mbps +33 Mbps faster Compare →

Google Fiber 76 tests

Avg Download 370 Mbps +17 Mbps faster Compare →

Cox 217 tests

Avg Download 335 Mbps -18 Mbps slower Compare →

Spectrum (Charter) 905 tests

Avg Download 334 Mbps -19 Mbps slower Compare →

About Xfinity (Comcast) Speed Test Data

The average Xfinity (Comcast) download speed is 353 Mbps, based on 901 real speed tests run by Xfinity (Comcast) customers. The fastest recorded speed was 2399 Mbps, and the best ping was 4 ms.

Speeds vary widely based on your specific plan, location, time of day, and whether you're connected via ethernet or Wi-Fi. If your result is significantly below the average, try restarting your router, switching to ethernet, or contact Xfinity (Comcast) support.

These statistics are updated continuously as Xfinity (Comcast) customers run speed tests on InternetSpeedTest.net. Click "Run Speed Test" to measure your Xfinity (Comcast) connection and contribute to the data.

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