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Core Temp vs AIDA64 Extreme: catalog facts
Core Temp	AIDA64 Extreme
Free Free to download and use. The software is closed source.	Paid A paid licence is required after the trial.
Windows	Windows
Per-core readings taken from the CPU's own sensors Tiny footprint with optional overheat protection actions	Extremely detailed hardware and software inventory with exportable reports Sensor readings can be sent to an external display or a remote client
The installer offers bundled software that must be declined CPU only; it does not read drive or GPU sensors	Paid licence with a time-limited trial Windows only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	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.