Xfinity Speed Test - Test Xfinity Speed | Cable & Fiber
Test your Xfinity internet speed in United States
www.xfinity.comTest your Xfinity internet speed in United States. This free test measures download, upload, and latency for Xfinity mobile, fiber connections. Run multiple tests at different times to compare peak-hour performance and confirm your plan meets your needs.
Xfinity Internet Plans
| Plan | Speed | Price | Features |
|---|---|---|---|
| Connect cable | 150 Mbps | $25/month | - |
| Connect More cable | 300 Mbps | $35/month | - |
| Fast cable | 500 Mbps | $55/month | - |
| Superfast cable | 800 Mbps | $70/month | - |
| Gigabit cable | 1000 Mbps | $80/month | - |
| Gigabit Extra cable | 1200 Mbps | $85/month | - |
Prices and availability may vary by location. Contact Xfinity for current offers.
Xfinity Speed Test FAQ
How fast is Xfinity internet?
Speeds depend on your plan, address, and connection type. Run multiple speed tests to compare download, upload, and latency against your advertised tier. Test on a wired connection when possible and repeat during peak hours to see real-world performance.
How do I test my Xfinity speed?
Click Start Test to measure download, upload, and ping. For best accuracy, close other apps, pause large downloads, and test on Ethernet if possible. Repeat the test at different times to capture congestion patterns.
Why is my Xfinity internet slow?
Slowdowns can be caused by network congestion, Wi-Fi interference, outdated equipment, or distance from the router. Try rebooting your modem, using a wired connection, and testing closer to the router to isolate the issue.
Does Xfinity offer fiber internet?
Yes. Xfinity offers fiber in select areas, and availability depends on address and network build-out. Check eligibility, then run a speed test after installation to confirm actual throughput and uploads.
How can I improve Xfinity Wi-Fi performance?
Place your router centrally, avoid obstructions, and use 5 GHz or Wi-Fi 6 when available. Update firmware, limit device congestion, and consider a mesh system for larger homes.
What speed tier should I choose?
The right tier depends on household size and usage. Basic browsing and HD streaming can work on entry plans, while 4K streaming, gaming, and multiple users benefit from higher tiers. Use your speed test results to verify the tier meets your needs.
How should I interpret my speed test results?
Compare download, upload, and latency with your plan and usage needs. Download affects streaming and browsing, upload affects video calls and backups, and latency affects gaming. If results are lower than expected, test on Ethernet and repeat during off-peak hours.
How does Xfinity mobile performance compare?
If Xfinity includes mobile service, test outdoors and indoors to compare signal strength. Results can vary by tower load, device, and coverage.