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CPU-X vs CoreFreq: catalog facts
CPU-X	CoreFreq
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free to build and use from its public GitHub repository.
Linux	Linux, Command line
Offers graphical, terminal and report modes.	Very detailed per-core frequency, C-state and power data Broad Intel and AMD processor support
Some hardware details require elevated access.	Requires loading a kernel module Linux only and more technical than typical monitors
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 September 24, 2026

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