We compared Google Fiber (original) ★★★★★ with Xfinity Speed Test ★★★★☆ and concluded that Google Fiber is a better speed test than Xfinity Speed Test.
This is mainly because Google Fiber scores higher than Xfinity Speed Test in data efficiency, speed, privacy-friendliness, and usability.
The radar chart above is based on the results of our standardized speed test test. The results speak for themselves.
Strengths of Google Fiber (original)
Google Fiber (original) is accuracte and fast (which is a rare combination).
There are no ads and no cookies. Google Fiber is therefore a privacy-friendly speed test.
Despite the warning that "You are not on the Google Fiber network. Running a speed test on your mobile network may result in data charges" the Google Fiber speed test is data efficient.
Strengths of Xfinity
The Xfinity Speed Test has a sleek interface with aircraft-based speed indicators. The speed test is ad free.
The Xfinity speed test is a fairly accurate speed test, but the variance can be quite large. Therefore, multiple tests are recommended when using Xfinity.
Ultimately, the speed test provides a clear and understandable interpretation of the results.
Our recommendation
Based on what we know about speed tests, if we had to choose between these two speed tests, we would choose Google Fiber over Xfinity Speed Test. The decisive factors are the high scores that Google Fiber achieves in the areas of data efficiency, speed, privacy-friendliness and usability.