1. Higher education resources: Dongguan has universities such as Dongguan Institute of Technology, Guangdong Institute of Science and Technology and Dongguan City College, while Hefei has famous universities at home and abroad such as University of Science and Technology of China, Hefei University of Technology and Anhui University. In terms of higher education resources, Hefei is richer than Dongguan.

2. Primary and secondary education resources: Both Dongguan and Hefei have certain primary and secondary education resources, but the specific situation will vary from region to region. For example, the resources of primary and secondary schools in some areas of Dongguan are relatively tight, while Hefei is relatively loose.

3. International school resources: There are some international schools in Dongguan and Hefei, such as Dongguan International School in Dongguan and Hefei International School in Hefei. These schools can provide an international educational environment for children.

To sum up, Hefei is good.