Compare software

Core Temp vs Speccy: catalog facts
Core Temp	Speccy
Free Free to download and use. The software is closed source.	Freemium A free version is available. Speccy Professional is a paid licence.
Windows	Windows
Per-core readings taken from the CPU's own sensors Tiny footprint with optional overheat protection actions	One page answers what hardware is in the machine and how hot it is Snapshots can be saved or shared when asking for help
The installer offers bundled software that must be declined CPU only; it does not read drive or GPU sensors	Development has slowed considerably The Professional edition with automatic updates is paid
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.