Ubuntu Desktop 12.04 desktop requirements:
Ubuntu Desktop 11.04 and up uses Unity as the default GUI while the previous releases used GNOME Panel by default. In order to run Unity the system needs a more capable graphics adapter.
- 1000 ΜHz processor (about Intel Celeron or better)
- 1024 MiB RAM (system memory)
- 3D Acceleration capable video card with at least 256 MB onboard memory
- 5 GB of disk space
From experience, we all know that it is recommended to have 2048 MiB RAM to properly run a day-to-day Ubuntu.
A good start should be with minimum 1024 and recommended 2048 MiB RAM.
Ubuntu Desktop 14.04 desktop requirements:
In order to run Unity the system needs a more capable graphics adapter.
- 1000 ΜHz processor (about Intel Celeron or better)
- 1024 MiB RAM (system memory)
- Graphics processor and display capable of at least 1024x768
- 6 GB of disk space
From experience, we all know that it is recommended to have 2048 MiB RAM to properly run a day-to-day Ubuntu.
A good start should be with minimum 1024 and recommended 2048 MiB RAM.
Xubuntu 14.04 to 16.04 (there is no official system requirements, but this is gathered from many sources)
- 512 MiB of system memory (RAM)
- 5 GB of disk space
- Graphics card and monitor capable of 800x600 resolution
- 700 MHz Processor
Lubuntu 14.04 to 16.04 (there is no official system requirements, but this is gathered from many sources)
- Pentium II
- 128 MiB RAM
- PAE supported CPU
- 4GB of disk space
Please comment if you want ones for other flavours.