Ruby isn’t saying that computers have faster clock speeds than biological brains (which is definitely true), he’s claiming something like “after we have human-level AI, AIs will be able to get rapidly more powerful by running on faster hardware”; the speed increase is relative to some other computers, so the speed difference between brains and computers isn’t relevant.
Ruby isn’t saying that computers have faster clock speeds than biological brains (which is definitely true), he’s claiming something like “after we have human-level AI, AIs will be able to get rapidly more powerful by running on faster hardware”; the speed increase is relative to some other computers, so the speed difference between brains and computers isn’t relevant.