I have been using redmi note 5 pro for about 8 months. My purchase have always been bases on the below mentioned area.
Budget
Performance
Camera
Battery
Durability
display & design
Xiami redmi note 5 pro comes with the 18: 19 aspect ratio and 5.99 inch FHD display, it also comes with Metal body with plastic for antena cut out. And rear design looks for iPhone X
Processor
Redmi note 5 pro is world’s first phone to come with Snapdragon 636 processor with adreno 509 GPU and it delivers a 4% increase in performance over 630.
camera
Xiaomi redmi note 5 pro has a 12MP primar camera with f/2.2 aperture and secondary 5MP with f/2.0 aperture. We have seen xiaomi phone does not come with good front camera , redmi note 5 pro comes with 20MP Selfie camera with LED flash and beauty mode. The front camera can records video in FHD resolution also there is portrait mode
Battery
Xiaomi redmi note 5 pro comes with 4000mh battery which can easily one and half day with normal use.
Reason not to buy
No USB type C
Xiaomi redmi note 5 pro comes with micro usb port and not USB Type C, Also do not fast charging and takes more than 2 hour 15 minutes to charge the device fully.
No 4k video recording
Xiaomi camera can record video upto 1080p
Hybrid sim slot.
Redmi note 5 pro comes with a hybrid sim slot . We can use one sim and one memory card or two sim simultaneously. It doesn’t have a dedicated micro SD card slot.