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Xiaomi Redmi Note 4

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  Xiaomi Redmi Note 4

Launch

Announced 2017, January
Status Available. Released 2017, January

Network

Technology GSM / HSPA / LTE
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 4, 5, 7, 8, 20, 38, 40

Body

Dimensions 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
Weight 165 g (5.82 oz)
SIM Nano-SIM + Micro-SIM
Build Glass front, aluminum back, aluminum frame

Display

Type IPS LCD
Size 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

Platform

OS Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
Chipset Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 2.0 GHz Cortex-A53
GPU Adreno 506

Memory

Card Slot microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
eMMC 5.1

Sound

Loudspeaker Yes
3.5mm Jack Yes
24-bit/192kHz audio

Comms

WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth 4.1, A2DP, LE
NFC No
Radio FM radio
USB microUSB 2.0, OTG
Positioning GPS, GLONASS, BDS
Infrared port Yes

Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery

Type Li-Po 4100 mAh, non-removable

Misc

Colors Dark Gray, Gold, Black, Lake Blue
SAR EU 0.72 W/kg (head) 0.67 W/kg (body)
Models 2016100
Price About 150 EUR

Main Camera

Features Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps, 720p@120fps
Single 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF

Selfie camera

Single 5 MP, f/2.0
Video 1080p@30fps

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
Battery (old) Endurance rating 119h
Audio quality Noise -94.6dB / Crosstalk -94.3dB