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CPU indicator not matching Task Manager

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Fred Greco
146 discussion posts
The indication from the CPU indicator in Tray Status shows much less CPU usage than the Windows Task Manager. Regularly showing 20% less. The RAM indicator appears to have the same readings as Task Manager.

Windows 11 Build 22581
Mar 24, 2022  • #1
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hi Fred,

The CPU calculations in task manager are internal calculations done by Windows, that aren't exposed anywhere for us to use. We use the "% Processor Time" counter found in Performance Monitor.

There's an article that explains it further here if you're interested: https://social.technet.microsoft.com/wiki/contents/articles/12984.understanding-processor-processor-time-and-process-processor-time.aspx

Thanks!
Mar 24, 2022  • #2
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Fred Greco
146 discussion posts
So does that mean that I should not worry about the difference, and should "trust" the Task Manager instead?

Quote:
Hi Fred,

The CPU calculations in task manager are internal calculations done by Windows, that aren't exposed anywhere for us to use. We use the "% Processor Time" counter found in Performance Monitor.

There's an article that explains it further here if you're interested: https://social.technet.microsoft.com/wiki/contents/articles/12984.understanding-processor-processor-time-and-process-processor-time.aspx

Thanks!
Mar 24, 2022  • #3
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hi Fred,

Yep that's fine, they're just two different calculations :)
Mar 25, 2022  • #4
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