American Express Centurion Gold Card and Rose Gold Card are different in terms of usage scope, credit limit, value-added services, etc. Specifically:

1. Scope of use: Both American Express Centurion Gold Card and Rose Gold Card can be used domestically, but the former can be used globally, while the latter is mainly used in Southeast Asia.

2. Credit limit: The American Express Centurion Gold Card has a relatively high credit limit and is suitable for high-value purchases, while the Rose Gold Card has a relatively low credit limit and is suitable for daily purchases.

3. Value-added services: American Express Centurion Gold Card and Rose Gold Card both enjoy the basic benefits of CMB credit cards, such as points exchange for gifts, installment payment, discounts, etc. But the former can also enjoy value-added services such as VIP lounge services at global airports, high-value aviation insurance, and baggage delay insurance.

To sum up, there are obvious differences between American Express Centurion Gold Card and Rose Gold Card in terms of issuance background, scope of use, credit limit and value-added services.