A benchmark version number is specific to a test. Benchmark version numbers change rarely and only when absolutely necessary to accommodate changes in third-party applications or bug fixes.


UL Procyon Battery Life Benchmark v1.4

March 3, 2025

  • The Microsoft PowerPoint ‘merge’ step has been removed due to planned feature deprecation in Microsoft PowerPoint for Windows.  
  • Adjusted the PowerPoint ‘Export to PDF’ quality setting to “slides” instead of “handouts”. This change slightly increases the export time. 
  • The Procyon Battery Life Benchmark Video Playback scenario option to run the test using the “Movies and TV” application is unavailable for systems running the latest version of Windows 11.  
    • The option to run the scenario using “Movies and TV” is still available to allow for systems running the older versions of the application.

Please note that Office Productivity Battery Life results from previous versions of Procyon on Windows or macOS are not comparable with new results.  

UL Procyon Battery Life Benchmark v1.2

May 4, 2023

  • Office productivity scenario launched on UL Procyon Battery Life Benchmark

UL Procyon Battery Life Benchmark v1.1

March 7, 2023

  • Updated to target .NET 4.8 and Visual Studio C++ 2022.
  • The Office Productivity Scenario will no longer run in an elevated state.  


UL Procyon Battery Life Benchmark v1.0

June 30, 2022

  • Launch version