Compare software

CoreFreq vs PowerTOP: catalog facts
CoreFreq	PowerTOP
Free Free to build and use from its public GitHub repository.	Free Free to download and use.
Linux, Command line	Linux, Command line
Very detailed per-core frequency, C-state and power data Broad Intel and AMD processor support	Shows which devices and processes use power Helps diagnose power management settings
Requires loading a kernel module Linux only and more technical than typical monitors	Linux only Terminal interface only
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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