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Xiaomi Redmi 4 (4X)

Sony Xperia J

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Xiaomi Redmi 4 (4X)
MORE PICTURES Sony Xperia J
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Xiaomi Redmi 4 (4X)

Sony Xperia J

Network
Technology GSM / HSPA / LTE GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 - ST26i
  HSDPA 850 / 1900 / 2100 - ST26a
4G Network 1, 3, 5, 7, 8, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps HSPA 7.2/5.76 Mbps
Launch
Announced 2017, May 2012, August. Released 2012, October
Status Available. Released 2017, May Discontinued
Body
Dimensions 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) 124.3 x 61.2 x 9.2 mm (4.89 x 2.41 x 0.36 in)
Weight 150 g (5.29 oz) 124 g (4.37 oz)
Build Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIM Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) Mini-SIM
Display
Type IPS LCD TFT
Size 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) 4.0 inches, 44.1 cm2 (~58.0% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density) 480 x 854 pixels, 16:9 ratio (~245 ppi density)
Protection Corning Gorilla Glass (unspecified version) Corning Gorilla Glass
Platform
OS Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11 Android 4.0.4 (Ice Cream Sandwich), upgradable to 4.1.2 (Jelly Bean)
Chipset Qualcomm MSM8940 Snapdragon 435 (28 nm) Qualcomm MSM7227A Snapdragon S1
CPU Octa-core 1.4 GHz Cortex-A53 1.0 GHz Cortex-A5
GPU Adreno 505 Adreno 200
Memory
Card slot microSDXC (uses shared SIM slot) microSDHC (dedicated slot)
Internal 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM 4GB (2GB user available), 512MB RAM
 eMMC 5.1
Main Camera
Modules 13 MP, f/2.0, PDAF 5 MP, AF
Features LED flash, HDR, panorama LED flash
Video 1080p@30fps 480p
Selfie Camera
Modules 5 MP, f/2.2 VGA
Video 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth 4.2, A2DP, LE 2.1, A2DP, EDR
Positioning GPS, GLONASS, BDS GPS, A-GPS
NFC No
Infrared port Yes No
Radio FM radio Stereo FM radio, RDS
USB microUSB 2.0 microUSB 2.0
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Battery
Type Li-Po 4100 mAh, non-removable Removable Li-Ion 1750 mAh battery
Stand-by Up to 432 h (3G) Up to 607 h (2G) / Up to 618 h (3G)
Talk time Up to 36 h (3G) Up to 5 h 36 min (2G) / Up to 7 h 18 min (3G)
Music play Up to 87 h
Misc
Colors Black, Gold Black, White, Gold, Pink
SAR 0.77 W/kg (head)     0.83 W/kg (body)     0.63 W/kg (head)     0.50 W/kg (body)    
SAR EU 0.73 W/kg (head)    
Models 2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X ST26i
Price About 110 EUR About 140 EUR
Tests
Performance GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)
Display Contrast ratio: 915 (nominal), 2.920 (sunlight) Contrast ratio: 1359:1 (nominal) / 1.932:1 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 64dB / Noise 70dB / Ring 72dB Voice 66dB / Noise 61dB / Ring 72dB
Audio quality Noise -94.3dB / Crosstalk -94dB Noise -80.8dB / Crosstalk -80.8dB
Battery (old) Endurance rating 80h Endurance rating 50h

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