Xiaomi Redmi Note 4



Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 20, 38, 40
SpeedHSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
Launch
Announced2017, January
StatusAvailable. Released 2017, January
Body
Dimensions151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
Weight165 g (5.82 oz)
BuildGlass front, aluminum back, aluminum frame
SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
TypeIPS LCD
Size5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Resolution1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Platform
OSAndroid 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
ChipsetQualcomm MSM8953 Snapdragon 625 (14 nm)
CPUOcta-core 2.0 GHz Cortex-A53
GPUAdreno 506
Memory
Card slotmicroSDXC (uses shared SIM slot)
Internal32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1
Main Camera
Single13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
FeaturesDual-LED dual-tone flash, panorama, HDR
Video1080p@30fps, 720p@120fps
Selfie Camera
Single5 MP, f/2.0
Video1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
 24-bit/192kHz audio
Comms
WLANWi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
Bluetooth4.1, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS
NFCNo
Infrared portYes
RadioFM radio
USBmicroUSB 2.0, USB On-The-Go
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 4100 mAh, non-removable
Misc
ColorsDark Gray, Gold, Black, Lake Blue
Models2016100
SAR EU0.72 W/kg (head)     0.67 W/kg (body)    
PriceAbout 150 EUR
Tests
Performance GFXBench: 3.4fps (ES 3.1 onscreen)
Display Contrast ratio: 1503:1 (nominal), 2.714 (sunlight)
Camera Photo / Video
Loudspeaker Voice 67dB / Noise 70dB / Ring 81dB
Audio quality Noise -94.6dB / Crosstalk -94.3dB
Battery lifeEndurance rating 119h


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