First, the CPU has a unique ID number, called CPUID, which was put into the CPU by the manufacturer when manufacturing the CPU.

Second, the view method:

1, start from the correct point, select Run, and enter CMD.

2. enter wmic CPU get ProcessorID to get the ID.

Third, the role and significance:

Because all marks and symbols except CPU can be polished manually, but CPUID is lifelong, and ID number can only be read by software; Therefore, using this principle, the CPU ID tool can display the exact information of CPU, including key information such as mobile version, main frequency, external frequency and secondary cache, so as to find out the overclocked CPU and display it conspicuously.