In this post I've compared Xiaomi's three smartphones that are currently being sold in India.

Features
|
Redmi
2
|
Redmi
Note 4G
|
Redmi
MI4
|
Display
|
4.7 inch HD IPS display
1280 x 720 pixel
|
5.5 inch HD IPS display
1280 x 720 pixel
|
5 inch HD IPS display
1920 x 1080 pixel
|
OS
|
Android KitKat 4.4 with MIUI v6.0 interface
|
Android KitKat 4.4.2
|
Android KitKat 4.4.4 with MIUI v6.0 interface
|
Processor
|
1.2 GHz quad-core Qualcomm Snapdragon 410 processor
with Adreno 306 GPU
|
1.6 GHz Qualcomm Snapdragon 400 processor with
Adreno 305 GPU
|
2.5 GHz quad-core Qualcomm Snapdragon 400 processor
with Adreno 330 GPU
|
Camera
|
8 MP primary camera with LED flash
2 MP front camera
|
13 MP primary camera with LED flash
5 MP front camera
|
13 MP primary camera with LED flash, 8 MP front
facing camera
|
Memory
|
1 GB RAM
8 GB internal storage
Expandable up to 32 GB
|
2 GB RAM
8 GB internal storage
Expandable up to 64 GB
|
3 GB RAM, internal storage (two variants 16 GB and
64 GB)
|
Connectivity
|
Dual-SIM, 4G, 3G, WiFi 802.1 b/g/n, GPS, GLONASS
|
Single SIM, 4G, 3G, WiFi 802.1 b/g/n, GPS, GLONASS
|
Single SIM, 4G, 3G, WiFi 802.11 a/b/g/n/ac,
Bluetooth v4.0, GPS, GLONASS
|
Battery
|
2,200 mAH
|
2,500 mAh
|
3,080 mAh
|
Price
|
Rs.6,999
|
Rs.9,999
|
Rs.17,999 (16 GB model)
Rs.21,999 (64 GB model)
|