In terms of core configuration, Samsung Galaxy S21 will be equipped with exynos 1000 flagship processor. It is reported that the performance of this chip is as good as that of Qualcomm snapdragon 875. Both of them are based on 5nm process and will be the strongest Android flagship chip in 2021. < / P > < p > in addition, it is reported that Samsung Galaxy S21 series will greatly upgrade fast charging. Among them, Galaxy S21 ultra supports 60W wired fast charging, which will be the model with the highest charging power and fastest charging speed on Galaxy S series. < / P > < p > it is worth noting that the galaxy S21 series is expected to be equipped with a new generation of screen fingerprint technology from Qualcomm. Compared with the galaxy S20 series, its speed will be significantly improved and its security will be higher.