Cost of living in Chengdu (China) is 51% cheaper than in Adelaide (Australia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 943 prices entered by 130 different people.
For example, to keep the same standard of living that would require AU$8,000 in Adelaide you would need to make just about AU$3,884 (元19,359) in Chengdu.