Cost of living in Xiamen (China) is 7% cheaper than in Zhuhai (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 110 prices entered by 12 different people.
For example, to keep the same standard of living that would require 元12,000 in Zhuhai you would need to make just about 元11,108 in Xiamen.