I have installed and reviewed seven versions of beta 2 of Ubuntu and six Flavors 18.04 LTS. In each review, I took memory consumption information at idle time at first login time. I accumulate them in a table (LibreOffice Calc) and make a chart of them. Here's the result chart comparing all Ubuntu original, and Kubuntu up to Ubuntu Budgie, including the new generation Lubuntu Next with my data. The result could give you a rough information of which systems take more and which other systems take less memory. This comparison is not precise in benchmarking sense and you should not rely on this for scientific purpose.

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Read also how to install Ubuntu 18.04 or guide to upgrade from 17.10 and from 16.04


The data:
Each data counted in each system with each own System Monitor program. In example, in Kubuntu it's counted with KSysGuard, and with GNOME System Monitor in Ubuntu original.

The computer specification:
  • Acer Aspire One
  • Intel Pentium
  • 4GB of RAM
  • 16GB of SanDisk SDCard 48MB/s
  • 8GB partition, 2GB swap

The chart:


The chart, sorted from smallest to biggest:



Download the source:

I make the chart using LibreOffice Calc spreadsheet and here you can download the file: mem.ods.

Calc presenting the chart



This article is licensed under CC BY-SA 3.0.


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