As Albert Einstein once said, “Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”
In other words, there are almost as many types of intelligence as there are people. There's logical (seems to be the one you most equate with the term "intelligence,") spatial, linguistic, musical, interpersonal, intrapersonal, kinesthetic, naturalistic, and existential. As there are different types of intelligence, there are also different types of learning, mainly visual, auditory, and tactile. Perhaps you haven't found your fit yet.