Xiaomi Redmi 4 (4X) Full Specifications

network
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  • Technology GSM / HSPA / LTE
  • 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 3G bands HSDPA 850 / 900 / 1900 / 2100
  • 4G bands 1, 3, 5, 7, 8, 38, 39, 40, 41
  • Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps
launch
  • Announced 2017, May
  • Status Available. Released 2017, May
body
  • Dimensions 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
  • Weight 150 g (5.29 oz)
  • Build Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
  • SIM Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
display
  • Type IPS LCD capacitive touchscreen, 16M colors
  • Size 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
  • Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
  • Protection Corning Gorilla Glass (unspecified version)
platform
  • OS Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat); MIUI 11
  • Chipset Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • CPU Octa-core 1.4 GHz Cortex-A53
  • GPU Adreno 505
memory
  • Card slot microSDXC (uses shared SIM slot)
  • Internal 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
  • eMMC 5.1
main camera
  • Modules 13 MP, f/2.0, PDAF
  • Features LED flash, HDR, panorama
  • Video 1080p@30fps
selfie camera
  • Modules 5 MP, f/2.2
  • Video 1080p@30fps
sound
  • Loudspeaker Yes
  • 3.5mm jack Yes
comms
  • WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
  • Bluetooth 4.2, A2DP, LE
  • GPS Yes, with A-GPS, GLONASS, BDS
  • Infrared port Yes
  • Radio FM radio
  • USB microUSB 2.0
features
  • Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
battery
  • Non-removable Li-Po 4100 mAh battery
  • Stand-by Up to 432 h (3G)
  • Talk time Up to 36 h (3G)
  • Music play Up to 87 h
misc
  • Colors Black, Gold
  • Models 2016060, 2016090, MAG138, MAE136
  • SAR 0.77 W/kg (head)     0.83 W/kg (body)    
tests
  • Performance GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen)
  • Display Contrast ratio: 915 (nominal), 2.920 (sunlight)
  • Camera Photo
  • Loudspeaker Voice 64dB / Noise 70dB / Ring 72dB
  • Audio quality Noise -94.3dB / Crosstalk -94dB
  • Battery life Endurance rating 80h