The cpu property is actually a calculated property that powershell brings to the party if you research the systemdiagnosticsprocess class you wont see cpu listed.
Alternatively a high cpu usage rate may indicate a poorly tuned or designed application optimizing the application can lower cpu utilization optimizing the application can lower cpu utilization an efficient way to determine cpu usage is to use the processor processor time counter in system monitor.
A central processing unit cpu also called a central processor or main processor is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic logic controlling and inputoutput io operations specified by the instructions.
Span classnews_dt15032013spannbsp018332the scott cpu uses two different instructions to move data from ram into the cpu one loads the very next piece of data called a data instruction in.
Cpuz reports my cpu running below its clock specification or the clock speed is varying this is the effect of the cpu power reduction mechanism c1e enhanced halt state andor eist enhanced intel speedstep technology for intel cpus coolnquiet and or powernow for amd cpus.
Span classnews_dt07082018spannbsp018332how to check cpu speed your cpu speed determines how fast your process can perform tasks cpu speeds matter less than they did in the past thanks to the advent of multicore processors still it can be useful to check your cpu speed.