I am using a seven year old ThinkPad T550 with 16MB and onboard graphics, because I know that if it runs fast on my machine, it runs fast almost everywhere else

I am using a seven year old ThinkPad T550 with 16MB and onboard graphics, because I know that if it runs fast on my machine, it runs fast almost everywhere else. IntelliJ is very usable with that configuration, except the terminal (as I wrote in another comment).