There are various methods to get CPU information on FreeBSD
sysctl -a | grep -i cpu | less
sysctl -a | egrep -i 'hw.machine|hw.ncpu|hw.model'
“sysctl” retrieves the kernel state.
You can also use dmesg to get the information:
dmesg | grep -i cpu
grep -i cpu /var/run/dmesg.boot