Ubuntu vs Arch Linux
These two sit at opposite ends of the same range. Ubuntu 26.10 hands you GNOME 51 and kernel 7.3 on a 6,309 MB image that asks for 6 GB of memory; Arch Linux hands you a 1,564 MB base with no desktop at all, a 512 MB floor and packages that never stop moving.
Side by side
| Ubuntu | Arch Linux | |
|---|---|---|
| Family | deb | arch |
| Release model | Versioned releases | Rolling release |
| Desktop | GNOME | отсутствует |
| Package manager | APT (dpkg) | pacman |
| Init system | systemd | systemd |
| Immutable root | No | No |
| Wayland by default | Yes | Mixed |
| Minimum RAM | 6 GB | 512 MB |
| ISO size | 6.2 GB | 1.5 GB |
| Latest kernel | 7.3 | 5.10.11 |
| Releases archived | 56 | 10 |
| Latest release | 15 October 2026 | 1 October 2026 |
What differs
Base & packages
Ubuntu ships a curated package set on APT with DEB files, plus Snap channels for Firefox and Thunderbird, and its 26.10 snapshot records GCC 16.2 and glibc 2.44. Arch ships pacman and nothing else by default: the newest ISO in the archive, 2021.02.01, carries glibc 2.32 and X.Org Server 1.20.10 and expects the reader to add everything beyond the base.
Desktop & display
Ubuntu installs GNOME 51 with Wayland as the only session. Arch's desktop field is recorded as absent, and its Wayland status as mixed, because the base system does not choose a display server for you. This is the largest single difference between the two.
Release model
Ubuntu is versioned and dated: 26.04.1 on 20 July 2026, 26.10 on 15 October 2026. Arch is rolling, and what the archive holds are ISO snapshots — 2021.02.01 on 1 February 2021 with kernel 5.10.11, 2021.01.01 with 5.10.3, 2020.12.01 with 5.9.11 — which mark installation media rather than releases.
Hardware requirements
Arch states 512 MB of memory and a 1,564 MB image; Ubuntu states 6 GB and 6,309 MB. The Arch figure covers a bare base, so a finished desktop will need more, but the dataset records no such number and none is claimed here.
Init & immutability
Both use systemd — 261 on Ubuntu 26.10, 247 in the Arch snapshot — and neither is immutable. The difference is what sits on top: Ubuntu's bootloader and desktop are decided for you at 2.14 GRUB and GNOME, while Arch expects the bootloader to be installed during setup.
Verdict
Choose Ubuntu if you want a working desktop after one installation, predictable release dates, and a system whose components were tested together before shipping. Choose Arch Linux if you want to decide what is installed, keep a single rolling package stream, and are comfortable assembling a desktop from the base. The 512 MB floor is a starting point, not a target for a machine you plan to use daily.
FAQ
Does Arch Linux have release numbers?
No. It rolls continuously, and the archive keeps dated ISO snapshots such as 2021.02.01 instead. Ubuntu, by comparison, records releases with versions and dates, from 23.10 through 26.10.
Which needs less hardware?
Arch records 512 MB of memory and a 1,564 MB image against Ubuntu's 6 GB and 6,309 MB. Those figures describe different things — a base system against a full desktop — so the comparison flatters Arch.