When comparing Phoenix OS vs Slackware, the Slant community recommends Slackware for most people. In the question“What are the best Linux distros that don't use systemd?” Slackware is ranked 2nd while Phoenix OS is ranked 52nd. The most important reason people chose Slackware is:
Uses stable, plain-vanilla packages from upstream.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Comes with Nougat
Unlike Remix OS, Phoenix OS is recently released and comes with Android 7.0. Remix OS support is discontinued and no further updates can be expected. But Phoenix OS updates can be expected. UI is same for both OS.
Pro Accelerated gaming
With Phoenix OS you guys can play any android games on pc with 30+ fps but minimum requirements must be met (pentium 4 cores with 8 gig ram) [must] and even Intel gfx would also work to run heavy games like mc5 (fps) and kritika (role playing) or pubg(tps) usually puzzle games never lags on this OS
Pro Regularly updated
Phoenix OS updated at least every month, bringing in new features and bug fixes with every release.
Pro For gaming
Pro Stable
Uses stable, plain-vanilla packages from upstream.
Pro Strong adherence to UNIX Principals
Pro Ideal to learn more of Linux
Follows the original Linux roots. It still sees Linux as a free clone of UNIX so the distribution tries to be UNIX-like.
Pro Package management
Uses standard tar archives with shell scripting as packages.
Pro One more distro which is init based
Some users don't like to install systemd based distros because they increase booting and processing speed.
Pro Oldest surviving Linux distro
Besides Debian (which was first released in August 1993), it is the oldest still maintained Linux Distribution and was first released in July 1993.
Pro Super fast
Pro No systemd
Cons
Con Lots of ads
So many sucky ads for no apparent reason, making it not free at all.
cant even open a FileManager withouth clicking closed ad
Con 32-bit version is no longer supported or updated
The developers of Phoenix OS have dropped support for the 32-bit version of Phoenix OS. It is still on Andriod 5.1 Lollipop and was last updated on 19 October 2017
Con Google Play service is not updating
Don't expect Google services-based apps.
Con It's snappy, in a way
Snappy but not smooth. Snappy when it comes to games. Setting the resolution to 1080 but that doesnt take effect on games which still run on low resolution.
Con Not user-friendly
It is made to be KISS (keep it simple, stupid), so you have to do everything by hand.
Con Large size live ISO
One needs to vain 3GB+ data for downloading one slackware ISO.
Con Narrow repos
Doesn't offer the same amount of options as other distros do.
Con Niche/small community
Slackware is its own niche and has a small community.
Con Very slow release cycle
Hasn't updated in 3+ years.
Con Dependency issues
When it comes to dependencies, Slackware shows more issues than many other distros.