CPU-X
Also on WindowsShows detailed information about your processor, memory and motherboard.
Installs from Ubuntu's own software archive.
Looking for CPU-Z on Linux? CPU-X does the same job for free, and TuxPick installs it for you.
Install CPU-X with TuxPickIt works on Ubuntu 22.04 and 24.04, and on systems built on them like Zorin OS and Pop!_OS.