CentOS Stream vs Ubuntu

CentOS Stream and Ubuntu compared on the facts that matter: release model, desktop, package management, init system, memory floor and installation size.

Side by side

CentOS StreamUbuntu
Familyrpmdeb
Release modelVersioned releasesVersioned releases
DesktopGNOMEGNOME
Package managerDNF (RPM)APT (dpkg)
Init systemsystemdsystemd
Immutable rootNoNo
Wayland by defaultYesYes
Minimum RAM—6 GB
ISO size906 MB6.2 GB
Latest kernel6.127.3
Releases archived356
Latest release12 December 202415 October 2026

What differs

Package manager

CentOS Stream ships DNF (RPM); Ubuntu ships APT (dpkg).

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.

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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.