Debian GNU/Linux vs Qubes OS
Debian GNU/Linux and Qubes OS compared on the facts that matter: release model, desktop, package management, init system, memory floor and installation size.
Side by side
| Debian GNU/Linux | Qubes OS | |
|---|---|---|
| Family | deb | independent |
| Release model | Versioned releases | Versioned releases |
| Desktop | GNOME | Xfce |
| Package manager | APT (dpkg) | DNF/RPM |
| Init system | systemd | systemd |
| Immutable root | No | No |
| Wayland by default | Yes | No |
| Minimum RAM | 2 GB | 6 GB |
| ISO size | 3.5 GB | 7.9 GB |
| Latest kernel | 6.12 | — |
| Releases archived | 42 | 22 |
| Latest release | 12 September 2026 | 2 October 2026 |
What differs
Package manager
Debian GNU/Linux ships APT (dpkg); Qubes OS ships DNF/RPM.
Minimum RAM
Debian GNU/Linux runs on less memory: 2048 MB against 6144 MB.
Shared traits
Both systems share more than they differ: the table above lines up the current facts side by side.
Verdict
Both are solid choices for their goals — the practical differences are in the table and the points above. Full range tables for each are on their distro pages.
{$AFFBLOCK}FAQ
Which one is easier for beginners?
Check the installer row and minimum RAM: a graphical installer with a low memory floor is the friendlier first step.
Where do the numbers come from?
From the current release snapshots of each distribution archived by the linux2u.ru team.