Xiaomi Redmi 4 (4X)

Platform

GPU
Adreno 505
CPU
Octa-core 1.4 GHz Cortex-A53
Chipset
Qualcomm MSM8940 Snapdragon 435 (28 nm)
OS
Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11

Memory

 
eMMC 5.1
 
Internal
16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Card slot
microSDXC (uses shared SIM slot)

Main Camera

Video
1080p@30fps
Features
LED flash, HDR, panorama
Single
13 MP, f/2.0, PDAF

Selfie camera

Video
1080p@30fps
Single
5 MP, f/2.2

Display

Protection
Corning Gorilla Glass (unspecified version)
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size
5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
Type
IPS LCD

Body

SIM
Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
Build
Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
Weight
150 g (5.29 oz)
Dimensions
139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)

Battery

Music play
Up to 87 h
Talk time
Up to 36 h (3G)
Stand-by
Up to 432 h (3G)
Type
Li-Po 4100 mAh, non-removable

Sound

3.5mm jack
Yes
Loudspeaker
Yes

Features

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

Tests

Battery life
Audio quality
Loudspeaker
Camera
Display
Performance
GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)

Misc

Price
About 110 EUR
SAR
0.77 W/kg (head)     0.83 W/kg (body)    
Models
2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
Colors
Black, Gold

Comms

USB
microUSB 2.0
Radio
FM radio
Infrared port
Yes
NFC
No
GPS
Yes, with A-GPS, GLONASS, BDS
Bluetooth
4.2, A2DP, LE
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot

Launch

Status
Available. Released 2017, May
Announced
2017, May

Network

Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps
4G bands
1, 3, 5, 7, 8, 38, 39, 40, 41
3G bands
HSDPA 850 / 900 / 1900 / 2100
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Technology