Arch Linux vs CachyOS: how they differ
Arch Linux and CachyOS are often considered side by side. This page compares what each one is built on, how it looks, how software is installed, how updates arrive and what hardware it needs.
Key differences
- Foundation: Arch Linux is built independently rather than on another distribution, while CachyOS is built on Arch.
- Desktop: Arch Linux uses none by default; CachyOS uses KDE Plasma, with others on offer.
- Software tools: both use pacman, so install commands are the same.
- Releases: both follow a rolling release, so updates arrive continuously with no big version jumps.
- Memory: about 2 GB for Arch Linux against about 4 GB for CachyOS is a comfortable minimum for a desktop session.
Choose Arch Linux if
You are among the experienced users who want to build the system themselves and always run current software.
Choose CachyOS if
You are among the people who want a fast Arch-based system tuned for performance and gaming.
Quick answers
- Which is easier for a beginner? Neither is aimed at first-time users. If this is your first Linux system, try a beginner-friendly distribution first.
- Which suits older hardware? Arch Linux asks for less memory.
- Can I try both? Yes. Start each from a live USB drive without installing, or put both on one drive with Ventoy.
Browse the Arch Linux USB drive or the CachyOS USB drive. Learn more: what is Arch Linux and what is CachyOS.
Frequently asked questions
Which is better, Arch Linux or CachyOS?
Neither is better for everyone. Choose by what you need: Arch Linux suits experienced users who want to build the system themselves and always run current software, while CachyOS suits people who want a fast Arch-based system tuned for performance and gaming.
Can I install both Arch Linux and CachyOS?
Yes. Install each one on its own partition, or try both from a live USB drive first. See dual booting for the idea, which also works between two Linux systems.
Which gets updates faster, Arch Linux or CachyOS?
Arch Linux uses a rolling release, so updates arrive continuously with no big version jumps; CachyOS uses a rolling release, so updates arrive continuously with no big version jumps.