Both of them are leaders. Squads will follow them straight to hell and back without any hesitation.
But one burns the fire of a warrior, willing to stand up to insurmountable odds without any fear or dread. In return people rally to him, seeing him as a hero.
The other has the mind of a machine, dominating with inhuman precision and skill, and demands the same from those around him.
You could do no wrong by picking either man.