Xiaomi Redmi 4 (4X) Specification

NetworkTechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 7, 8, 38, 39, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps
LaunchAnnounced2017, May
StatusAvailable. Released 2017, May
BodyDimensions139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
Weight150 g (5.29 oz)
BuildGlass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIMHybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
DisplayTypeIPS LCD
Size5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)
ProtectionCorning Gorilla Glass (unspecified version)
PlatformOSAndroid 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
ChipsetQualcomm MSM8940 Snapdragon 435 (28 nm)
CPUOcta-core 1.4 GHz Cortex-A53
GPUAdreno 505
MemoryCard slotmicroSDXC (uses shared SIM slot)
Internal16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
eMMC 5.1
Main CameraSingle13 MP, f/2.0, PDAF
FeaturesLED flash, HDR, panorama
Video1080p@30fps
Selfie cameraSingle5 MP, f/2.2
Video1080p@30fps
SoundLoudspeakerYes
3.5mm jackYes
CommsWLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS
NFCNo
Infrared portYes
RadioFM radio
USBmicroUSB 2.0
FeaturesSensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
BatteryTypeLi-Po 4100 mAh, non-removable
Stand-byUp to 432 h (3G)
Talk timeUp to 36 h (3G)
Music playUp to 87 h
MiscColorsBlack, Gold
Models2016060, 2016090, MAG138, MAE136
SAR0.77 W/kg (head) 0.83 W/kg (body)
PriceAbout 110 EUR
TestsPerformanceGeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)
DisplayContrast ratio: 915 (nominal), 2.920 (sunlight)
CameraPhoto / Video
LoudspeakerVoice 64dB / Noise 70dB / Ring 72dB
Audio qualityNoise -94.3dB / Crosstalk -94dB
Battery lifeEndurance rating 80h