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CPU-X vs CPU-Z: catalog facts
CPU-X	CPU-Z
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Freeware. The site is funded by advertising and donations, and a paid SDK exists for…
Linux	Windows, Android
Offers graphical, terminal and report modes.	Per-module memory SPD data, including timings, which is hard to find anywhere else Live per-core frequency and memory frequency readings
Some hardware details require elevated access.	Closed source freeware; the website is ad-supported and asks you to allow ads Reports hardware facts rather than monitoring temperatures over time
Downloadable app	Downloadable app
Open source	Closed 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 20, 2026

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