Common points:

①Both primarily use skilled and exceptional talent immigration programs, without the need for investment.
     

②After immigration, one can still retain their mainland residency.
     

③After obtaining a passport and a home return permit, children can participate in the joint examination for overseas Chinese students from Hong Kong, Macau, and Taiwan.

Differences:

①Different application scopes: The immigration program in Hong Kong does not have industry restrictions for applicants, while Macau prioritizes applicants with experience in the four new industries of health, modern finance, high technology, and cultural sports.
 

②Both Hong Kong and Macau provide 15 years of free public education services, but relatively speaking, Hong Kong's educational advantages are more pronounced, as it has several universities ranked among the top 100 in the world.