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CPU-X vs dmidecode: catalog facts
CPU-X	dmidecode
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the GPL.
Linux	Linux, Command line
Offers graphical, terminal and report modes.	Reports serial numbers, BIOS version and model details Shows memory slot and expansion slot usage
Some hardware details require elevated access.	Only reports what the BIOS provides, which can be inaccurate Command-line output is long and technical
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.