CPU Hyperthreading: Is it ON or OFF


Sometime back a customer had asked a question on how to find out the different between hyperthreaded CPUs and multi-core CPUs using Powershell. There are multiple utilities available on the web which provide this information readily along with code samples i.e. if you have an affinity for coding.

However, my requirement was to get this information without the use of an executable. Such an endeavor seemed worthwhile for me since such scripts can be used for auditing and inventory related purposes.

The powershell script below can help you identify if hyperthreading is enabled on the server or not and gives you information about the number of logical and physical processors on the server/machine. The powershell script below makes use of Win32_Processor WMI class. The script can be easily adapted to using VBScript as well.

Continue reading