It irks me a tiny bit every time someone trots out that tired adage “my mobile phone has 1000x more CPU power than the Space Shuttle did.” It’s one of those knowledge nuggets that ignores the reality of a situation for the sake of statement impact. The kind that PR departments everywhere absolutely adore. There are different kinds of technological progression other than raw performance.
Ars Technica published a great article today detailing just why there’s more to a space-grade CPU than clock speed - https://arstechnica.com/science/2019/11/space-grade-cpus-how-do-you-send-more-computing-power-into-space/
As Russia proved in 2012, you can’t simply strap an iPhone to your spacecraft!