Central Processing Unit or CPU or Processor, All of them refers to the same hardware for a PC. The processor is the main component of a PC, Laptop, Network even Smartphones. There are different processor types and manufacturers like Intel, AMD, x86, x86_64, ARM, etc.
Find/List Processor Information For Windows
Windows operating systems (Windows XP, Windows 7, Windows 8, Windows 10, Windows Server) provide different ways in order to list processor information.
The Windows 8, Windows 10, and Windows Server “About” screen provides the processor brand, name, and model information with speed or frequency information. Open Settings->System->About screen. There the Processor line lists the detailed processor information.

Task Manager is another way to list and display processor information. First opens the Task Manager by pressing CTRL+SHIFT+ESC or right-click to the taskbar and select “Task Manager“. The processor information is listed in the “Performance” tab. So navigate to the “Performance” tab. The processor information is displayed in the CPU line like below.

The System screen can be also used to display processor information. The System screen can be opened via Control Panel-> System and Security-> System. Alternatively, the System screen can be opened via This PC -> right-click->System. In the System section, the Processor line lists the processor Manufacturer, Model, Speed, and Frequency information.

PowerShell or MS-DOS command line terminal can be also used to print processor information. The systeminfo command displays the system related information as well as the processor information.
systeminfo

Find/List Processor Information For Linux
Linux distributions like Ubuntu, Debian, Mint, Kali RedHat, Fedora, CentOS provides different command line tools in order to find and list processor information. The lscpu command is the most popular command which is dedicated to list processor related information.
lscpu
From the output we can see the Model name, CPU frequency, virutliazaiton etc. printed as text in the command line interface.

The /proc/cpuinfo file containds detailed information about the processor. This file can be printed to the screen in order to list processor information.
cat /proc/cpuinfo

Find/List Processor Information For MacOSX
If you are using MacOSX the processor type and speed can be determined via the Overview screen. The overview screen can be opened Apple Menu-> About This Mac . The following Overview screen displayed. The processor line provides the processor manufacturer and model information like below.
