Not a snappy experience even with the light IceWM based desktop but useable and faster than some corporate PCs I've used in educational settings in the past.
[1] antiX strikes me as a lot less work than the OAs hand crafted Arch install but the whole point is you can do what you want with free software. https://antixlinux.com/
Also Alpine Linux (32 bit, the extended edition for better hw) will run faster than Antix.