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CPU-Z vs AIDA64 Extreme: catalog facts
CPU-Z	AIDA64 Extreme
Free Freeware. The site is funded by advertising and donations, and a paid SDK exists for…	Paid A paid licence is required after the trial.
Windows, Android	Windows
Per-module memory SPD data, including timings, which is hard to find anywhere else Live per-core frequency and memory frequency readings	Extremely detailed hardware and software inventory with exportable reports Sensor readings can be sent to an external display or a remote client
Closed source freeware; the website is ad-supported and asks you to allow ads Reports hardware facts rather than monitoring temperatures over time	Paid licence with a time-limited trial Windows only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

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