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GPU-ZLACT
Free

Freeware from TechPowerUp. The source is not published.

 Free

Free, with source code published on GitHub.

Windows Linux, Command line
  • Reports adapter, GPU, display and detailed memory subsystem information
  • A load test that verifies the PCI Express lane configuration actually in use
  • Supports AMD, Nvidia and Intel GPUs
  • Graphical interface plus a CLI client
  • Windows only
  • Closed source freeware
  • Linux only
  • Changing GPU settings carries some hardware risk
Downloadable app Downloadable app
Closed source Open source
License not stated License not stated
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked September 24, 2026

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