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CPU-X vs AIDA64 Extreme: catalog facts
CPU-X	AIDA64 Extreme
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid A paid licence is required after the trial.
Linux	Windows
Offers graphical, terminal and report modes.	Extremely detailed hardware and software inventory with exportable reports Sensor readings can be sent to an external display or a remote client
Some hardware details require elevated access.	Paid licence with a time-limited trial Windows only
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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