There's no difference. The difference between 20wPD fast charging head and 20w fast charging head. Charging protocol difference. Charging speed upgrade, 66w wired flash charge, also supports 50w wireless flash charge, while supporting 90HZ high brush, coupled with dual speaker design, to ensure that the machine will bring super gaming experience. With the blessing of Huawei's powerful camera algorithm, the camera ability of this mobile phone is also second to none, and at present, Huawei mobile phones sell one less one, Kirin users and cherish.