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⇱ FreeBSD 15.0 vs. Ubuntu Linux For AMD EPYC Server Performance - Phoronix

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FreeBSD 15.0 vs. Ubuntu Linux For AMD EPYC Server Performance

Written by Michael Larabel in Operating Systems on 10 December 2025 at 10:30 AM EST. Page 5 of 5. 50 Comments.

The performance overall was competitive between FreeBSD 15.0 and Ubuntu Linux but there were occasional exceptions like SQLite's speedtest being much slower on FreeBSD 15.

FreeBSD 15.0 overall was running well on this 5th Gen AMD EPYC Supermicro server, especially compared to the other BSDs that weren't even able to boot successfully.

When using iperf to stress the localhost, Ubuntu was outperforming FreeBSD 15.0 in this testing.

Those interested can find even more benchmarks via this result file for a mix of micro-benchmarks as well as other real-world workloads. Out of more than 100 benchmarks, FreeBSD 15.0 overall was coming in not too far behind Ubuntu 24.04.3 LTS and Ubuntu 25.10 on this AMD EPYC 9965P server. FreeBSD 15.0 is running rather well on modern hardware especially for not having the development resources or industry contributions enjoyed by Linux.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.