CenturyLink vs Optimum
Full speed comparison based on 372 verified measurements.
CenturyLink
248 Mbps
147 Mbps
47 ms
Optimum
WINNER387 Mbps
81 Mbps
36 ms
Speed Difference Summary
Download difference
139 Mbps
Optimum is faster
Upload difference
66 Mbps
CenturyLink is faster
Ping difference
11 ms
Optimum has lower latency
By Country
Head-to-head comparison where both ISPs have user data.
Test your own speed
See if your connection matches the CenturyLink or Optimum average.
How CenturyLink Compares to Optimum
Based on 372 verified speed tests from CenturyLink and Optimum customers, Optimum delivers faster average speeds.
CenturyLink averages 248 Mbps download with 147 Mbps upload and 47 ms ping. Optimum averages 387 Mbps download with 81 Mbps upload and 36 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.