Why Isn't the Human Brain's Performance Speed as High as Artificial Intelligence?

Friday, March 14, 2025  Read time2 min

Have you ever wondered why, despite its incredible complexity, the human brain can't perform as quickly as artificial intelligence? Our brain, this biological marvel, works in a fundamentally different way than machines, where quality, creativity, and flexibility take the place of boundless speed.

Why Isn't the Human Brain's Performance Speed as High as Artificial Intelligence?

According to Saednews, the human brain is one of the most complex and fascinating biological systems on Earth—a network of billions of neurons working in flawless coordination to enable thinking, creativity, and emotion. However, compared to artificial intelligence, the brain appears slower in processing data. AI can carry out complex calculations in milliseconds, while the brain may need more time. So, where does this fundamental difference come from? Is the brain's slower pace a sign of weakness, or is there a greater mystery behind its design? Let’s dive into this question in more detail.

Artificial intelligence

1. How does the human brain work?

The human brain is a highly complex biological system:

Parallel processing: The brain can process many tasks simultaneously (like seeing, hearing, thinking), but it's not as fast as the numerical processing done by computers.

Chemical and electrical signals: Neurons communicate at speeds ranging from 1 to 120 meters per second. This might seem fast, but it's slow compared to the data processing speed in computer chips.

Focus on quality, not speed: When solving complex problems, fostering creativity, or adapting to new situations, the brain emphasizes quality and meaning, not just speed. This ability is what sets the brain apart from computers.

Human Brain

2. Artificial Intelligence and Speed

AI operates on computers, where the key differences emerge:

Digital processing: Computers process information digitally (0s and 1s). Chips can perform billions of calculations in a second.

Data transfer speed: Computers use electrical signals in metal circuits, allowing them to transfer data at speeds close to the speed of light—much faster than biological neurons can transfer signals.

Focus on speed, not creativity: Computers and AI perform calculations and run algorithms quickly, but they lack the creativity and flexibility that the human brain possesses.

3. Why is the brain slower than AI?

Biological limitations: The brain operates based on chemistry and biology, making it inherently slower than the electronic circuits in computers.

Designed for multitasking, not single-tasking: The brain is built to handle multiple tasks simultaneously (like maintaining balance, thinking, and processing emotions), while computers are designed to complete one specific task very quickly.

Energy consumption: The brain uses only about 20 watts of energy, making it extremely efficient. However, this efficiency limits its speed. In contrast, computers consume much more energy.

Creativity and flexibility: The brain may be slower because it’s designed to solve complex problems and handle unexpected situations. Computers excel in predetermined conditions but struggle with the unknown.

4. Is the brain’s slower speed a weakness?

Not necessarily! The brain's slower pace doesn't mean it's incapable:

The brain can understand meaning, make new connections, and foster creativity—traits AI doesn’t possess.

For example, when you see an image, the brain interprets it as a whole, grasping its meaning, rather than processing each individual pixel.

5. The Future: Can the Brain Become Faster?

Biological research: Scientists are researching ways to speed up neuron activity, but this may change other aspects of the brain’s functioning.

Brain-machine integration: Technologies like Neuralink are working to connect the brain to computers, which could increase processing speed. This could open up new possibilities for the future of humans.

Conclusion: Artificial Intelligence or the Brain?

The human brain and artificial intelligence were designed for different purposes:

AI excels in speed and accuracy in numerical computations.

The human brain is unmatched in creativity, flexibility, and meaning comprehension.

Perhaps the future of technology lies in combining the speed of AI with the intelligence of the human brain.