Inxi - System monitor
Inxi is a command line system monitor for GNU/Linux OS. For example it provides info for cpu, memory, motherboard, disk, even the ... weather!
Its installation is pretty simple. Inxi is available in almost all GNU/Linux distributions repositories. For example, in GNU/Debian-based and Ubuntu-based distributions:
sudo apt-get install inxi
Some of the most useful arguments:
Graphics card info:
More info in the manual:
In the video below you can see some examples: