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macmon vs SiliconScope: catalog facts
macmon	SiliconScope
Free Free, with source published on GitHub.	Free Free and open source under the MIT license.
macOS, Command line	macOS, Linux
No sudo needed, unlike powermetrics Shows CPU, GPU and Neural Engine power draw	Measured Neural Engine and Media Engine activity Unified-memory bandwidth tracking
Apple Silicon Macs only Relies on a private macOS API that could change	Requires Apple Silicon and macOS 14 or later Linux support is only as a remote agent with a GPU-centric view
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
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 October 1, 2026

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