Hii. I m a redmii note 4 user AND According to me mi note 4 is the best phone in its range.or say in comparison with lenovo vibe k5 note .Ihave used both the handsets.but redmi note 4 is very better than Lenovo vibe k5 note.it has 4 gb ram, 64 rom, awsm camera 5 mp front camera and 13 mp back camera.and the most important 4000 mah battery.the phone is best for them who use to play online games and videos.infact now a days it is best and highest selling handset in india.of rs 12999.and may be less if bought from Flipkart on certain occasions.