I know what it's like to be both, to an agree, and creativity is much more interesting. Just being intelligent with no outlet to it is cold, boring...really doesn't appeal to me much :/
Also, there are many intelligent people who aren't creative, and they tend to get frustrated because they don't have that outlet...
And while we're doing this
ability to learn: good
ability to reason: fair
ability to understand: excellent
ability to grasp truths: great
ability to grasp relationships: great
ability to grasp facts: fair...ish
ability to grasp meaning: good
ability to think outside the box: Depends on my mood, but usually good
tendency to want to get out of bed: very low
overall motivation level: good
inspiration: explosive!