Based on the provided reference, Einstein's intelligence was more acute, penetrating, abstract, analytical, and visual compared to Tesla's.
While both Nikola Tesla and Albert Einstein were undeniably brilliant, their intelligences manifested in different ways. Tesla was an exceptional engineer and inventor with a practical, hands-on approach. Einstein, on the other hand, possessed a more theoretical and abstract intelligence, allowing him to formulate groundbreaking theories about the universe. The reference suggests Einstein's capacity for mental visualization and analytical thinking was more advanced.
Therefore, according to the provided reference, Einstein.