Product
Xiaomi Redmi Note 4G
Xiaomi Redmi Note 4G
Xiaomi Mi Note
Xiaomi Mi Note
Battery
Charging - 18W wired, QC2
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 3000 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame
Dimensions 154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in) 155.1 x 77.6 x 7 mm (6.11 x 3.06 x 0.28 in)
SIM Mini-SIM Nano-SIM + Micro-SIM
Weight 185 g (6.53 oz) 161 g (5.68 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.1, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio No
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Display
Protection - Corning Gorilla Glass 3
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2014, August. Released 2014, August 2015, January. Released 2015, January
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR Dual-LED dual-tone flash, HDR, panorama
Single 13 MP, f/2.2, 28mm (wide), AF 13 MP, f/2.0, AF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 8GB 2GB RAM 16GB 3GB RAM, 64GB 3GB RAM
  eMMC 4.5 eMMC 5.0
Misc
Colors Black/White Black, White
Network
2G bands GSM 900 / 1800 - India GSM 850 / 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 Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 2, 3, 4, 7 - Malaysia, Singapore TD-SCDMA
Our Tests
Battery (old) - Endurance rating 48h
Camera - Photo / Video
Display - Contrast ratio: 1453:1 (nominal), 2.234 (sunlight)
Loudspeaker - Voice 75dB / Noise 68dB / Ring 83dB
Performance - Basemark OS II 2.0: 1353Basemark X: 13075
Platform
Chipset Qualcomm MSM8928 Snapdragon 400 (28 nm) Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Quad-core 1.6 GHz Cortex-A7 Quad-core 2.5 GHz Krait 400
GPU Adreno 305 Adreno 330
OS Android 4.2 (Jelly Bean), upgradable to 4.4.2 (KitKat), MIUI 5 Android 4.4.4 (KitKat), upgradable to 6.0 (Marshmallow)
Selfie camera
Single 5 MP 4 MP, f/2.0, 1/3", 2µm
Video 720p 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz audio