[hyperionplays]

It's multithreaded.

I run FRR Routing punching 400gbit+ @ 75% CPU load on FreeBSD 12.

On the same hardware, Debian fell over at 1.8gbit.

[Melatonic]

How long ago did you compare them?

I have been using FreeBSD for networking for awhile now but not at those levels

[hyperionplays]

6 months.