1 did i get right charger 2 would new qualcomm 3 charger charge phone faster

have a nexus 6p (32 meg used in Canada)was wondering did i get the original charger . i have a white block charger that says Huawei 5 volts 2 amp. a lot of the reviews i am reading says comes with a 3 amp charger, but i realize different models and maybee different country variations