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Speccy vs CPU-Z: catalog facts
Speccy	CPU-Z
Freemium A free version is available. Speccy Professional is a paid licence.	Free Freeware. The site is funded by advertising and donations, and a paid SDK exists for…
Windows	Windows, Android
One page answers what hardware is in the machine and how hot it is Snapshots can be saved or shared when asking for help	Per-module memory SPD data, including timings, which is hard to find anywhere else Live per-core frequency and memory frequency readings
Development has slowed considerably The Professional edition with automatic updates is paid	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
Closed source	Closed source
License not stated	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.