I think the fact that you think that shows a spectacular lack of understanding of these two candidates. Even among her most vocal critics, I've never heard Hillary described as unintelligent. She didn't start with 500 million in the bank to play with. She was a middle class gal who got into an Ivy League school, who got through law school, who had a successful law practice, who was a fundamental part her husband's two gubernatorial victories, and a presidential victory against an incumbent with plenty of obstacles. She is the very first woman to be a main party nominee, and she sure as shit didn't do it with charisma. Say what you will about her character, but I don't think anyone who's paying attention could question her intelligence. I'm pretty sure that without Hillary, Clinton would be selling cars in Arkansas somewhere.
The Donald's intelligence, particularly in matters outside of real estate, is highly questionable. I've paraded out time and time again his 3rd grade vocabulary, his failed business ventures, his child like attempts to bully rival candidates, his well displayed ignorance over the economy, the nuclear arsenal, foreign policy, the 1st amendment, the internet. Even if he was incredibly intelligent, I don't think he has the willingness to learn. He had the opportunity to brush up on foreign policy well before his now, Hillary knew more about this stuff as a first lady then Trump does as a presumptive nominee.