1, different buyers: the main investment target of Class A money funds is retail investors, and the purchase starting point is 100 yuan; Currency B is mainly aimed at institutional investors, and the starting point for institutional investors to buy is at least100000 yuan.

2. Different fees: the subscription starting point of currency B is higher, usually the fee is about 0. 1%, while the subscription amount of currency A is smaller, so the fee is about 0.25%.

Take Dacheng Currency A/B as an example, except for the different subscription starting point, Dacheng Currency A and Currency B charge different sales fees: Because Dacheng Currency B has a high subscription starting point and the fees are cheaper than Dacheng Currency A, Dacheng Currency B's current sales service fee is 0.01%per year; The sales service fee of Dacheng Currency A needs 0.25% a year.