Is AT&T or Cox faster?

Based on 747 verified speed tests, Cox is faster overall. AT&T averages 287 Mbps download, Cox averages 337 Mbps download.

What is the average speed difference between AT&T and Cox?

The average download speed difference is 50 Mbps. Upload speed difference is 91 Mbps. Ping difference is 13 ms.

Should I choose AT&T or Cox?

It depends on your use case. Cox offers faster average speeds, but actual performance varies by location and plan. Test your current connection and compare to both averages before switching.

AT&T vs Cox

Full speed comparison based on 747 verified measurements.

Overall Winner: Cox

AT&T

Download

287 Mbps

Upload Wins

174 Mbps

Ping

40 ms

Based on 517 measurements · Full AT&T stats →

Cox

WINNER

Download Wins

337 Mbps

Upload

83 Mbps

Ping Wins

27 ms

Based on 230 measurements · Full Cox stats →

Speed Difference Summary

Download difference

50 Mbps

Cox is faster

Upload difference

91 Mbps

AT&T is faster

Ping difference

13 ms

Cox has lower latency

By Country

Head-to-head comparison where both ISPs have user data.

United States Cox wins

AT&T 287 Mbps (517 tests)

Cox 339 Mbps (228 tests)

Test your own speed

See if your connection matches the AT&T or Cox average.

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How AT&T Compares to Cox

Based on 747 verified speed tests from AT&T and Cox customers, Cox delivers faster average speeds.

AT&T averages 287 Mbps download with 174 Mbps upload and 40 ms ping. Cox averages 337 Mbps download with 83 Mbps upload and 27 ms ping.

Averages tell only part of the story — actual speeds vary by your specific plan, location, time of day, and whether you use Ethernet or Wi-Fi. Run a speed test on your current connection to see how it compares to both averages before making a switching decision.

AT&T speed Cox speed All ISPs Country speeds