Product
Xiaomi Redmi Note 4G
Xiaomi Redmi Note 4G
Xiaomi Redmi Note 4X
Xiaomi Redmi Note 4X
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-Po 4100 mAh, non-removable
Body
Build - Glass front, aluminum back, aluminum frame
Dimensions 154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in) 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
SIM Mini-SIM Nano-SIM + Micro-SIM
Weight 185 g (6.53 oz) 165 g (5.82 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.2, A2DP, LE
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, 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, Wi-Fi Direct
Display
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2014, August. Released 2014, August 2017, February. Released 2017, February
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR Dual-LED dual-tone flash, panorama, HDR
Single 13 MP, f/2.2, 28mm (wide), AF 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Video 1080p@30fps 1080p@30fps, 720p@120fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 8GB 2GB RAM 16GB 3GB RAM, 32GB 3GB RAM, 64GB 4GB RAM
  eMMC 4.5 eMMC 5.1
Misc
Colors Black/White Platinum Silver, Champagne Gold, Matte Black, Hatsune Miku, Sakura Powder
Network
2G bands GSM 900 / 1800 - India GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 900 / 2100 - India HSDPA 850 / 900 / 1900 / 2100
4G bands 3, 40 - India 1, 3, 5, 7, 38, 39, 40, 41 - Snapdragon model
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  1, 2, 3, 4, 7 - Malaysia, Singapore 1, 3, 5, 7, 8, 38, 39, 40, 41 - Mediatek model
Platform
Chipset Qualcomm MSM8928 Snapdragon 400 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Quad-core 1.6 GHz Cortex-A7 Octa-core 2.0 GHz Cortex-A53
GPU Adreno 305 Adreno 506
OS Android 4.2 (Jelly Bean), upgradable to 4.4.2 (KitKat), MIUI 5 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10
Selfie camera
Single 5 MP 5 MP, f/2.0
Video 720p 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz audio