psycho gundam
The Nightmare of Solomon
intelligence-
en sabah nur-
"Apocalypse is a genius, a level of which humanity cannot comprehend, and has knowledge of certain areas of biology, primarily genetic engineering and mutation, and technology that are far in advance of contemporary science and technology. This was not merely a result of his exposure to alien technology, as he was able to make significant new advances beyond the alien materials to which he was exposed."
victor von doom-
"Genius-level Intellect: Doctor Doom's most dangerous weapon is his genius-level intellect. He is easily one of the top mortal minds on the planet. Doom has constructed hundreds of devices, including a working time machine (the first of its kind on Earth), devices which can imbue people with superpowers, and many types of robots. His most frequently used robots are his "Doombots," exact mechanical replicas of the real Doctor Doom. They look like him, talk like him, and even act like him. Individually, Doombots have an advanced AI (artificial intelligence) so that each one believes itself to be the real Doom. As a safety measure, each Doombot has a dampener program that is triggered whenever the real Doom (or another Doombot) is nearby. These "body doubles" appear when Doom cannot be present or is unwilling to risk his own life, and are often responsible for Doom's return from certain death. Another common type of robot used is the Servo-Guard, the police force of Latveria. Doom specializes in physics, robotics, cybernetics, genetics, weapons technology, biochemistry, and time travel. He also has natural talents for leadership, strategy, politics, and manipulation."
so, doom is impressive, but apocalypse has godlike wisdom(thousands of years of earth study) and future time line experiences that expand his wisdom to unknowable heights.
idduno, I have to give intelligence to nur due to wisdom and the fact that he is psychic must impact his learning process, doom is great for a mortal so i'm not bias rather going with what i've got.