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