| CIM is a Vendor-neutral and industry-standard designed way of MANIFESTATION of management information. | Old WMI is Microsoft’s initial incorporation of CIM. | New WMI was released alongside WMF v3 in the year 2012 and it was COMPLIANT to the latest CIM standards. |
| It is designed by another COMPANY named the DMTF | It is designed by Microsoft | It is designed by Microsoft as well. |
| It not available | It is available in PowerShell v1 | It is available in PowerShell v3. |
| It employs WSMan which is a standard developed by DMTF. | It used DCOM and RPCs Remote Procedure Calls. | It employs WSMan and no more DCOM ERRORS are possible with this. |
| It can work on any platform. | Works on Windows only. | Works on Windows only. |
| It owns WSMan Port – 5985 (HTTP) and 5986(HTTPS) for its purpose. | It has RPC port- 135 for use | It owns WSMan Port – 5985 (HTTP) and 5986(HTTPS) for use. |
