Product
Xiaomi Mi 4 LTE
Xiaomi Mi 4 LTE
Xiaomi Redmi 2A
Xiaomi Redmi 2A
Battery
Charging 18W wired, QC2 -
Type Li-Ion 3080 mAh, non-removable Li-Ion 2200 mAh, removable
Body
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in)
SIM Micro-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 149 g (5.26 oz) 132 g (4.66 oz)
Comms
Bluetooth 4.0, A2DP 4.0, A2DP
Infrared port Yes -
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, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - To be confirmed
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 5.0 inches, 68.9 cm2 (~72.3% 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, barometer Accelerometer, proximity
Launch
Announced 2014, December. Released 2014, December 2015, March. Released 2015, April
Status Discontinued Discontinued
Main Camera
Features LED flash, panorama, HDR LED flash, HDR
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF 8 MP, f/2.2, 28mm (wide), 1/3.2", 1.4µm, AF
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR Yes
Memory
Card slot No microSDHC (dedicated slot)
Internal 16GB 3GB RAM 8GB 1GB RAM
  eMMC 5.0 -
Misc
Colors White Black, Green, Yellow, Pink
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
4G bands LTE - international model 3, 7, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  - TD-SCDMA
Platform
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Leadcore L1860C
CPU Quad-core 2.5 GHz Krait 400 Quad-core 1.5 GHz
GPU Adreno 330 Mali-T628 MP2
OS Android 4.4.3 (KitKat), MIUI 5 Android 5.0 (Lollipop), MIUI 6
Selfie camera
Single 8 MP, f/1.8 2 MP
Video 1080p@30fps 720p
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes