When comparing BlackArch vs Artix Linux, the Slant community recommends Artix Linux for most people. In the question“What are the best Arch Linux based distributions?” Artix Linux is ranked 1st while BlackArch is ranked 8th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Large repository
As of Feb. 26th, 2020 there are 2460 tools in the repository.
Pro Live session
You can run the OS from a LiveUSB.
Pro Better than ArchStrike
Contains many more tools than ArchStrike and far easier installation than ArchStrike
Pro Arch-based
BlackArch is just normal Arch with tons of tools preinstalled
Pro Suitable for professionals
Pro No systemd
Pro Runit
Artix actively supports the runit init system known from Void Linux. (Equally besides the OpenRC init system known from Gentoo).
Pro Close to bare Arch Linux
No learning curve if you're coming from Arch or any of its derivatives.
Pro Lightweight
Only the software you would need like Terminal emulator, file manager, media player and a browser.
Pro Compatible with Arch Repositories
It is fully compatible with almost all packages from community, extra, multilib and AUR.
Pro Rolling distro
Pro Flexibility
You can have a functional system in less than 10 mins using GUI installer OR you can do it "the Arch way".
Cons
Con Not beginner-friendly
Not great for newbies.
Con No systemd
Some packages flat out won't work because systemd is non existent, sadly pipewire needs systemd to run. Hopefully Pipewire becomes usable soon. Edit: Pipewire does work but you will have to make a startup script.
Con Few Arch packages might not be available yet
Developers are working migrating all packages into their own repositories while ensuring there's no systemd malware.