What are the system requirements for Ubuntu 18.04? For the default GNOME version, you should have a minimum 2GB RAM and 25 GB hard disk. However, I would advise having 4 GB of RAM for a comfortable use. A processor released in last 8 years will work as well.

How much memory does Ubuntu use?

According to the Ubuntu wiki, Ubuntu requires a minimum of 1024 MB of RAM, but 2048 MB is recommended for daily use. You may also consider a version of Ubuntu running an alternate desktop environment requiring less RAM, such as Lubuntu or Xubuntu. Lubuntu is said to run fine with 512 MB of RAM.

Does Ubuntu 20.04 use more RAM?

Ubuntu, its ‘flavour’ variations, and other Linux distros, will use as much RAM as available. It will also release that memory for other higher priority use as needed. This is normal.