Xiaomi
Xiaomi Redmi 4 (4X)
Experience cutting-edge technology with premium design and powerful performance.
📅 Discontinued
🤖 Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
💾 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Network & Connectivity
Technology
GSM / HSPA / LTE
2 G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3 G bands
HSDPA 850 / 900 / 1900 / 2100
4 G bands
1, 3, 5, 7, 8, 38, 39, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps
Display & Screen
Type
IPS LCD
Size
5.0 inches, 68.9 cm 2 (~70.7% screen-to-body ratio)
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
Corning Gorilla Glass (unspecified version)
Platform & Performance
O S
Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11
Chipset
Qualcomm MSM8940 Snapdragon 435 (28 nm)
C P U
Octa-core 1.4 GHz Cortex-A53
G P U
Adreno 505
Memory & Storage
Card slot
microSDXC (uses shared SIM slot)
Internal
16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Main Camera
Single
13 MP, f/2.0, PDAF
Features
LED flash, HDR, panorama
Video
1080p@30fps
Modules
13 MP, f/2.0, PDAF
Selfie Camera
Single
5 MP, f/2.2
Video
1080p@30fps
Modules
5 MP, f/2.2
Battery & Charging
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
Life
Endurance rating 80h
Features & Sensors
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Audio & Sound
Loudspeaker
Yes
3.5mm jack
Yes
Build & Design
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
S I M
Nano-SIM + Micro-SIM
Communication
W L A N
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
Positioning
GPS, GLONASS, BDS
N F C
No
Infrared port
Yes
Radio
FM radio
U S B
microUSB 2.0
Launch Information
Announced
2017, May. Released 2017, May
Status
Discontinued
Miscellaneous
Colors
Black, Gold
Models
2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
S A R
0.77 W/kg (head) 0.83 W/kg (body)
Performance 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