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Xiaomi Redmi 4 (4X)

Xiaomi Redmi Note 4X

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Xiaomi Redmi 4 (4X)
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Xiaomi Redmi 4 (4X)

Xiaomi Redmi Note 4X

Network
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 3, 5, 7, 8, 38, 39, 40, 41 1, 3, 5, 7, 38, 39, 40, 41 - Snapdragon model
  1, 3, 5, 7, 8, 38, 39, 40, 41 - Mediatek model
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Launch
Announced 2017, May 2017, February
Status Available. Released 2017, May Available. Released 2017, February
Body
Dimensions 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
Weight 150 g (5.29 oz) 165 g (5.82 oz)
Build Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends Glass front, aluminum back, aluminum frame
SIM Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass (unspecified version)
Platform
OS Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10
Chipset Qualcomm MSM8940 Snapdragon 435 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core 1.4 GHz Cortex-A53 Octa-core 2.0 GHz Cortex-A53
GPU Adreno 505 Adreno 506
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM 16GB 3GB RAM, 32GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera
Modules 13 MP, f/2.0, PDAF 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
Features LED flash, HDR, panorama Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps 1080p@30fps, 720p@120fps
Selfie Camera
Modules 5 MP, f/2.2 5 MP, f/2.0
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
  24-bit/192kHz audio
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Bluetooth 4.2, A2DP, LE 4.2, A2DP, LE
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port Yes Yes
Radio FM radio FM radio
USB microUSB 2.0 microUSB 2.0, OTG
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 4100 mAh, non-removable 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 Platinum Silver, Champagne Gold, Matte Black, Hatsune Miku, Sakura Powder
SAR 0.77 W/kg (head)     0.83 W/kg (body)    
Models 2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X
Price About 110 EUR About 130 EUR
Tests
Performance GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)
Display Contrast ratio: 915 (nominal), 2.920 (sunlight)
Loudspeaker Voice 64dB / Noise 70dB / Ring 72dB
Audio quality Noise -94.3dB / Crosstalk -94dB
Battery (old) Endurance rating 80h

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