CachyOS vs CobaltX
CachyOS: An Arch-based system tuned for speed. CobaltX: Arch and KDE Plasma, ready to game from the first boot. Here is how they differ, and which one suits you.
CachyOS or CobaltX: the short answer
CachyOS and CobaltX have a lot in common: both build on Arch Linux, both use a rolling release model, both install software with Pacman · AUR (community). Pick CachyOS if you care most about older hardware.
Quick verdict
- Older hardwareCachyOSCachyOS needs about 4 GB of RAM versus 8 GB.
Scored from our catalog data (experience level, release model, suggested RAM, intended uses), not from benchmarks. How we build the catalog
Specs compared
Memory figures are editorial planning suggestions, not measured consumption or official minimums. Popularity measures attention, not quality. Missing data is shown as a dash.
| Feature | CachyOS | CobaltX |
|---|---|---|
| Popularity rank (30d) | #6 | Not ranked |
| Popularity trend (30d) | Down 11% | — |
| Based on | Arch Linux | Arch Linux |
| Release model | Rolling | Rolling |
| Desktop | KDE Plasma, GNOME, COSMIC, Hyprland, niri, more | KDE Plasma |
| Package management | Pacman · AUR (community) | Pacman · AUR (community) |
| Init system | systemd | systemd |
| Experience level | Intermediate | Intermediate |
| Suggested RAM | 4 GB+ | 8 GB+ |
| Architectures | x86_64 | x86_64 |
| First released | 2021 | 2026 |
| Price | Free | Free |
| Good for | Gaming, Development, Everyday use | Gaming |
Key differences
- CachyOS ships KDE Plasma, GNOME, COSMIC, Hyprland, niri, more; CobaltX ships KDE Plasma.
- We suggest about 4 GB of RAM for CachyOS and 8 GB for CobaltX.
CachyOS: strengths and tradeoffs
- optimized package builds for newer CPUs
- choice of tuned kernels and schedulers
- graphical installer with many desktop options
Optimized repositories need a supported processor
Full CachyOS profileCobaltX: strengths and tradeoffs
- game launchers, Wine and performance overlays preinstalled
- linux-zen kernel tuned for desktop responsiveness
- one-click NVIDIA driver install from the Welcome app
Very new, pre-1.0 project with a single maintainer
Full CobaltX profileSwitching between CachyOS and CobaltX
From CachyOS to CobaltX
- Both use Pacman, so the install commands you know carry over; CobaltX also uses AUR (community).
- You can keep KDE Plasma, which both offer, so your layout and shortcuts mostly carry over.
- Plan for a bit more memory: we suggest about 8 GB for CobaltX versus 4 GB for CachyOS.
From CobaltX to CachyOS
- Both use Pacman, so the install commands you know carry over; CachyOS also uses AUR (community).
- You can keep KDE Plasma, which both offer, so your layout and shortcuts mostly carry over.
Either way, back up your home folder, then do a clean install; reusing a separate /home partition works but can bring old settings that clash.
CachyOS vs CobaltX: FAQ
Is CachyOS better than CobaltX?
Neither is better for everyone. CachyOS is the stronger pick for older hardware; CobaltX for a different set of needs.
Which uses less RAM, CachyOS or CobaltX?
CachyOS is lighter: we suggest about 4 GB versus 8 GB. The desktop you choose affects memory use more than the distribution itself.
Is CachyOS based on CobaltX?
No. CachyOS is based on Arch Linux; CobaltX is based on Arch Linux.