Is AT&T or Cox faster?

Based on 904 verified speed tests, Cox is faster overall. AT&T averages 297 Mbps download, Cox averages 346 Mbps download.

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

The average download speed difference is 49 Mbps. Upload speed difference is 91 Mbps. Ping difference is 11 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 904 verified measurements.

Overall Winner: Cox

AT&T

Download

297 Mbps

Upload Wins

173 Mbps

Ping

39 ms

Based on 649 measurements · Full AT&T stats →

Cox

WINNER

Download Wins

346 Mbps

Upload

82 Mbps

Ping Wins

28 ms

Based on 255 measurements · Full Cox stats →

Speed Difference Summary

Download difference

49 Mbps

Cox is faster

Upload difference

91 Mbps

AT&T is faster

Ping difference

11 ms

Cox has lower latency

By Country

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

United States Cox wins

AT&T 297 Mbps (649 tests)

Cox 348 Mbps (253 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 904 verified speed tests from AT&T and Cox customers, Cox delivers faster average speeds.

AT&T averages 297 Mbps download with 173 Mbps upload and 39 ms ping. Cox averages 346 Mbps download with 82 Mbps upload and 28 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