Xiaomi Redmi 4 (4X)

ALL VERSIONS
REDMI 4REDMI 4XREDMI 4X (ID)

Also known as Xiaomi Redmi 4X for China, Malaysia, Pakistan, Indonesia

Network
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 (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

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
Single
13 MP, f/2.0, PDAF

Features
LED flash, HDR, panorama

Video
1080p@30fps

Selfie camera
Single
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

Bluetooth
4.2, A2DP, LE

Positioning
GPS, GLONASS, BDS

NFC
No

Infrared port
Yes

Radio
FM radio

USB
microUSB 2.0

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

Battery
Type
Li-Po 4100 mAh, non-removable

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, Redmi 4, Redmi 4X

SAR
0.77 W/kg (head)     0.83 W/kg (body)    

Price
About 110 EUR

Tests
Performance

GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)

Display

Contrast ratio: 915 (nominal), 2.920 (sunlight)

Camera

Photo / Video

Loudspeaker

Voice 64dB / Noise 70dB / Ring 72dB

Audio quality

Noise -94.3dB / Crosstalk -94dB

Battery (old)

Endurance rating 80h