Compare software

GPU-ZGPU-Viewer
Free

Freeware from TechPowerUp. The source is not published.

 Free

Free and open source under GPL-3.0.

Windows Linux
  • Reports adapter, GPU, display and detailed memory subsystem information
  • A load test that verifies the PCI Express lane configuration actually in use
  • Covers OpenGL, Vulkan, OpenCL and OpenGL ES in one app
  • Easier to read than raw terminal output
  • Windows only
  • Closed source freeware
  • Linux only
  • Shows capabilities rather than live usage or temperatures
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 1, 2026

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