Product
Xiaomi Redmi Note 4G
Xiaomi Redmi Note 4G
Xiaomi Redmi 2A
Xiaomi Redmi 2A
Battery
Music play Up to 60 h -
Stand-by Up to 775 h (3G) -
Talk time Up to 38 h (3G) -
Type Li-Po 3100 mAh, removable Li-Ion 2200 mAh, removable
Body
Dimensions 154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in) 134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in)
SIM Mini-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 185 g (6.53 oz) 132 g (4.66 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.0, A2DP
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - To be confirmed
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~67.6% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, proximity
Launch
Announced 2014, August. Released 2014, August 2015, March. Released 2015, April
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR
Single 13 MP, f/2.2, 28mm (wide), AF 8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF
Video 1080p@30fps Yes
Memory
Card slot microSDXC (dedicated slot) microSDHC (dedicated slot)
Internal 8GB 2GB RAM 8GB 1GB RAM
  eMMC 4.5 -
Misc
Colors Black/White Black, Green, Yellow, Pink
Network
2G bands GSM 900 / 1800 - India GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 900 / 2100 - India HSDPA 850 / 1900 / 2100
4G bands 3, 40 - India 3, 7, 38, 39, 40, 41
Speed HSPA, LTE Cat4 150/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 2, 3, 4, 7 - Malaysia, Singapore TD-SCDMA
Platform
Chipset Qualcomm MSM8928 Snapdragon 400 (28 nm) Leadcore L1860C
CPU Quad-core 1.6 GHz Cortex-A7 Quad-core 1.5 GHz
GPU Adreno 305 Mali-T628 MP2
OS Android 4.2 (Jelly Bean), upgradable to 4.4.2 (KitKat), MIUI 5 Android 5.0 (Lollipop), MIUI 6
Selfie camera
Single 5 MP 2 MP
Video 720p 720p
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes