When comparing PCLinuxOS vs MX-Linux, the Slant community recommends MX-Linux for most people. In the question“What are the best Linux distributions for desktops?” MX-Linux is ranked 16th while PCLinuxOS is ranked 50th.
Ranked in these QuestionsQuestion Ranking
PCLinuxOS is designed around stability.
Pro Multiple desktops available
Mate, LXDE, and KDE desktops are available.
Pro Can remaster the boot DVD
PCLinuxOS has built in tools for remastering bootable DVD into a copy of current install.
Pro Rolling release
The distribution is continually updated, so there's no need to install OS upgrades by hand.
Pro Excellent hardware compatibility
Comes with nVidia drivers out of the box. Important if the PC has an nVidia chipset. Most Debian based distros don't have nVidia drivers available at install time.
LXDE version works well with older hardware.
Pro Easy install
Pro Supports non-free drivers
Pro Easy to use
Pro No systemd
Pro Good MX Tools and Package Installer
MX Linux comes with its own set of tools called MX Tools, designed to make life easier for users.
Pro Very stable
Pro Based on Debian
Con Uses RPM packaging system
Uses the RPM packaging system with APT, rather than the more popular DEB packages.
Con Remixed debian testing
It's mainly a debian stable with some recompiled/backported debian testing packages.
Con Only one Desktop Environment
Con Causes overheating on some hardwares
Other debian based XFCE distros- Xubuntu, Debian XFCE, Devuan leave small footprint on system whereas MXLinux uses too much CPU resources on same system.