What is the difference between total CPU usage and total CPU utility?

[Alone.]

I've already tried hovering my mouse over it and it still doesn't really make sense to me. They both sound like they do the same thing. So what's the real difference in dumbed-down terms?

 

[Martin]

Explained in detail here:

HWiNFO v7.12 released

HWiNFO v7.12 available. Changes: Added a darker (black) Dark Mode skin. Increased font and window size of the summary window. Updated summary window for improved support of Hybrid CPUs. Changed core naming in Hybrid CPUs to better reflect the type. Added a workaround for missing CPU clocks on...

www.hwinfo.com

 

[Kiriakos-GR]

As feedback I will verify that at Win 7, I am not able to see any CPU utility description among the list of HWINFO sensors / descriptions.
I did read the article, this appears at Win 8 or higher.