Huawei mi4 need to know fake or original

Hye user mi4..I just want to know that I have Huawei mi4 but I not sure that its original or fake..when I see on my system/etc/firmware/its base mtk6582 but when I check on CPU-Z that my phone is like original with spec model:mi4,snapdragon 801,ram3gb,storage 13mp back and 8mp,GPU 801,running 2.5gh..