Display: -Redmi 4 display is 5.5inch 1920* 1080 resolution and IPS full hd display. This is good.
Camera: -13 Megapixel back camera and 5 megapixel front camera .this is avg.
Ram: -4Gb ram . This is awesome.
Processor: - Qualcomm snapdragon 625 64 bit processor. This is good.
Android: - Marshmallow . This is upgradable Nougat. This is good.
Clock speed: -2GHz . This is good.
Rom: - 64Gb internal and expandable storage 128Gb . This is good.
Network: -4G with VoLte . This is good.
Battery: -4100mAh . This is good.
My opinion this phone features is awesome but camera is avg. But this this price redmi 4 is awesome mobile.