We have more capability in an iPhone than in some of those older systems, at least in terms of FLOPS, certainly in terms of usability.
I cut my teeth as a programmer in the late '60s, and loved the work as there was always something new to learn, almost on a monthly basis. When we talked about the Cray and its power, it was almost in whispers. Major Ju-Ju. When the home computers came on the scene I was pretty blase about their improvements until I read where the average desktop of the day, and this was some years ago, had more power than the Cray. That really blew my mind and made me aware of how far we had come.
And I think there was a similar article that said something like the old 286-12 computers had more power than the computers on the Apollo missions. If so, I really have to tip my hat to those programmers.