When comparing Ubuntu LTS vs KDE Neon, the Slant community recommends Ubuntu LTS for most people. In the question“What are the best Linux distributions for Xfce?” Ubuntu LTS is ranked 26th while KDE Neon is ranked 30th. The most important reason people chose Ubuntu LTS is:
Lots of support for hardware, lots of pre-installed software, and a smooth install process means less time downloading drivers, less time digging through configuration files, and less time deciding on software to use just to get up and running. It also means less time digging through forums looking for support.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Just works out of the box
Lots of support for hardware, lots of pre-installed software, and a smooth install process means less time downloading drivers, less time digging through configuration files, and less time deciding on software to use just to get up and running. It also means less time digging through forums looking for support.
Pro Good PPA repositories available
PPA repositories allow you to install the latest version of your preferred software while keeping the rest of the operating system "stable".
Pro Great Long Term Support release schedule (2 years)
This allows for users to always have a new supported release available without long unkown wait times in between.
Pro Lots of support
As the most popular Linux distribution, there's a wide range of sources for support online if you ever need help, including the Ubuntu Wiki, Ubuntu Forums and the Ask Ubuntu Stack Exchange site.
Pro Most users are already familiar with it
Ubuntu is the go-to Linux distro for most people, so there is a sense of familiarity and comfort in using something they have used before.
Pro Works out of the box
Since it's built on the strong Ubuntu base, KDE Neon works seamlessly with a huge variety of hardware.
Pro Configurability
KDE Neon uses KDE as its desktop environment, which is highly configurable, but also has great defaults.
Pro The best looking Linux OS
It really is a great and stunning looking OS.
Pro Works well on low-end computers
Cons
Con Relatively high system requirements
The default Unity desktop environment is a resource hog which requires hardware accelerated graphics rendering in order to run smoothly, making out of the box Ubuntu unsuitable for low end systems and older hardware. Even mildly aged hardware, you'll get far better performance out of a lighter desktop environment like LXDE or XFCE.
Con Steep learning curve for beginners
It's a really sparse, bare-bones system, no automatic driver install for example. It can be quite hard for someone not used to Linux.