According to Bostrom, a computer program that faithfully emulates a network of human-level intelligences but with processing speeds faster than a human when strictly comparing speeds as Biological neurons operate at about 200 Hz, while a modern microprocessor operates at 2,000,000,000 Hz; same with comparing the human axons that travel at around 120m/s while a computer signal travels at the speed of sound.
Human axons carry action potentials at around 120 m/s, whereas computer signals travel near the speed of light. 
