When comparing Antergos vs Puppy Linux, the Slant community recommends Puppy Linux for most people. In the question“What are the best Linux distributions for misanthropes?” Puppy Linux is ranked 14th while Antergos is ranked 65th. The most important reason people chose Puppy Linux is:
Puppy Linux requires 128MB of RAM and 333Mhz of CPU, although 256MB of RAM is recommended.
Specs
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Pros
Pro Easy to install
ArchLinux is rather hard to install using command line. Antergos's advantage is the easy installation using a GUI.
So instead of manual installation of software you can just download Antergos which does things for you automatically.
Pro Rolling release model make it easy to keep apps on updated versions
Antergos is a rolling release distribution (as it's based on Arch Linux). Your entire system, from the base OS components to the applications that you install, will receive updates as they are released upstream—with only a minimal delay to ensure stability.
Pro Offers choice of desktop environment on installation
Ability to choose your preferred desktop environment on installation.
Pro It comes with every essential utility pre-installed
Pro Arch User Repository access
It can visit AUR to build packages.
Pro Offers minimal ISO download
Pro Surprisingly stable Linux desktop
From popular distros of rolling and standard releases, compared to Debian (stable) and Arch, Antergos stability rocks. Debian is stable, however, it's with old packages and Arch. The only thing that broke it, so far, was compiz-manjaro (C++ 0.9 branch) from AUR, but compiz in Antergos repositories is 0.8 and it is working flawlessly.
Pro First Linux desktop that makes Windows look bad
Antergos has very nice default themes (KDE/Plasma and Gnome/GTK), which combined with Compiz 0.8, makes Windows looks sad. Antergos can even compete with Windows in regards to stability.
Pro Excellent graphical package manager (Pamac)
Features include: providing notifications of available updates; mirror management; AUR support (with the option to suppress unnecessary confirmations during the install process); update settings (frequency, whether to check for updates from the AUR, packages to ignore updates for); and a history of packages installed, updated, or removed (from the official repositories - AUR packages are not currently tracked).
Pro Extremely fast
Everything runs at the speed of light. Antergos is super responsive and programs/apps runs effortlessly.
Pro Extremely low minimum system requirements
Puppy Linux requires 128MB of RAM and 333Mhz of CPU, although 256MB of RAM is recommended.
Pro The whole OS runs off of RAM
Since Puppy Linux is completely loaded and run off of RAM instead of HDD, it's read/write speed is not a factor.
Pro Designed to run as a live USB/CD
A portable version, that can be carried on a thumb drive without requiring installation, weighs less than 100MB; a Live CD - less than 150MB. You can even save your settings and files for Puppy on the external device/media.
Running off a live CD also has security benefits, as your system will reset to the known config after each boot.
Pro Different distro based versions available
Puppy Linux offers a few different releases.
The first is an Ubuntu based release called Tahrpup, by using this version the user is able to take advantage of all software and support from Ubuntu.
The second version is called Slacko, which is built upon the Slackware binaries.
The third is called Wary and it is built to support older hardware than the rest.
And the fourth is called Quirky, which is used as a base to explore new ideas.
Pro Linux distro designed for this exact purpose
Pro Offers a long term support release
Puppy Linux offers an LTS release called Precise.
Pro It can be the only distro that works
Sometimes, Puppy Linux is the only distro that works on an old machine: all other distros are more demanding.
Pro JWM used as window manager
JWM is a low resource window manager that is used in most Puppy Linux installs.
Cons
Con Antergos project has been discontinued (May 2019)
Con Package popularity is not visible in Antergos repositories
Small issue, but would be nice to see package popularity in Antergos repos, just like it is visible for AUR. packages.
Antergos with AUR gives access practically to all possible packages, so popularity could help in this sea of packages.
Con The installer breaks often
The installer, cnchi breaks all the time. It's very buggy.
Con Rolling release problems
Rolling release is quite pain sometimes. You might face some problem with a bugged application since you always get the latest version.
This problem is a little bit solved by Manjaro distro where applications are tested but updates are slower than usual.
Con A bit ugly
Using puppy makes you feel like you just jumped 20 years into the past. Being that the purpose of Puppy Linux is to run or really low resource machines the software used is often on the older side, which is precisely why it has a 20 year old look.
Con Not as light as it used to be
It's light, but not as light as it was 1-2 years ago.
Con Smallest software library ever
You can barely find any precompiled packages for Puppy.
Con No built in compositing
Being a low resource distro there is zero built in compositing for the JWM window manager. Though one can be added through a bit of work.