guessing it will run well on the EOMA68-A20 with it's 1.2 GHz.
Last I checked the A20 only goes up to 960MHz or so:
% cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 144000 312000 528000 720000 864000 912000 960000 %
You can try to overclock it, of course.
Stefan