Xiaomi Redmi 4 (4X)

Xiaomi Redmi 4 (4X) launched in 2017, May. Xiaomi Redmi 4 (4X) is fueled by a Li-Po 4100 mAh, non-removable. Comes with a resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) and 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) pixels.

The technology is GSM / HSPA / LTE with Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by). This lightweight and easy to carry phone weighs approximately 150 g (5.29 oz).

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REDMI 4

REDMI 4X

REDMI 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-A (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, hotspot
Bluetooth 4.2, A2DP, LE
GPS Yes, with A-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 life
Endurance rating 80h