Microsoft has published the minimum CPU requirements for Windows 11. According to the compatibility lists, Windows 11 will require at least an 8th generation Intel processor or a 2nd generation AMD Ryzen/EPYC processor.
Windows Processor Requirements Windows 11 Supported Intel Processors
This specification details the processors that can be used with Customer Systems that include Windows Products (including Custom Images).
Windows Processor Requirements Windows 11 Supported Intel Processors
Windows Processor Requirements Windows 11 Supported AMD Processors
This specification details the processors that can be used with Customer Systems that include Windows Products (including Custom Images).
Windows Processor Requirements Windows 11 Supported AMD Processors
Windows Processor Requirements Windows 11 Supported Qualcomm Processors
This specification details the processors that can be used with Customer Systems that include Windows Products (including Custom Images).
Windows Processor Requirements Windows 11 Supported Qualcomm Processors