How does the performance of a modern iPhone? Says the expert


Modern smartphones have great performance. Several decades ago this computing power would have seemed unthinkable even to the gigantic supercomputers and spacecraft. How much technology has advanced? Says Graham Kendall, Professor of electrical engineering and computer science at Nottingham University.

50 years ago, man first landed on the surface of the moon.

NASA’s manned flight was a triumph for the US and the us space program. To implement the idea was possible thanks to the spacecraft “Apollo-11” with a fairly powerful (at that time) on-Board computer AGC.

Onboard the spacecraft “Apollo-11” was responsible for the calculation, controlling movement and navigation, as well as ran the command and lunar modules during the flight. As far as this computer is inferior to the current iPhone according to its computational capabilities?

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The answer to this question is ready to give a Professor of computer science, Graham Kendall. According to him, the latest smartphone models are tens of millions of times faster than AGC. For a visual comparison, the Professor gave the characteristics of the onboard computer “Apollo-11” and specifications iPhone XS.
AGC (Apollo Guidance Computer)

Processor clock speed 0.043 MHz. Computing power — 40 thousand operations per second;

4 KB of RAM and 72 KB of ROM;

The cost is $ 3.5 million.
iPhone XS

The processor Apple A12 Bionic with a clock frequency of 2.5 GHz. Computing power — up to 5 trillion operations per second;

4 GB of RAM, 64/256/512 GB ROM;

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Cost: from 999 dollars.

Kendall estimated that one iPhone is capable of performing calculations for 120 million lunar programs at a time.

This is a great example of how far technology has come.

Landing on the moon is a truly Grand achievement of the 20th century. People were seriously limited by computing capabilities, but this did not prevent them from making a manned flight hundreds of thousands of kilometers from the Earth, — summed up the Professor.

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Updated: July 20, 2019 — 5:00 pm

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