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Specifications
 

Samsung Galaxy J7 Pro

Xiaomi Mi 4

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Samsung Galaxy J7 Pro
MORE PICTURES Xiaomi Mi 4
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Samsung Galaxy J7 Pro

Xiaomi Mi 4

Network
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - all versions
  CDMA 800 / 1900 - Telecom 3G model
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA - 4G model
  HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model, Telecom 3G model
  CDMA2000 1xEV-DO - Telecom 3G model
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66 38, 39, 40 - 4G model
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, EV-DO Rev.A 3.1 Mbps
GPRS Yes Yes
EDGE Yes Yes
Launch
Announced 2017, June 2014, July. Released 2014, August
Status Available. Released 2017, July Discontinued
Body
Dimensions 152.5 x 74.8 x 8 mm (6.00 x 2.94 x 0.31 in) 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight 181 g (6.38 oz) 149 g (5.26 oz)
Build Glass front, aluminum back, aluminum frame Glass front, plastic back, aluminum frame
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Micro-SIM
Display
Type Super AMOLED IPS LCD
Size 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
 Always-on display
Platform
OS Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10
Chipset Exynos 7870 Octa (14 nm) Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Octa-core 1.6 GHz Cortex-A53 Quad-core 2.5 GHz Krait 400
GPU Mali-T830 MP1 Adreno 330
Memory
Card slot microSDXC (dedicated slot) No
Internal 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM 16GB 2GB RAM, 64GB 3GB RAM
 eMMC 5.1 eMMC 5.0
Main Camera
Modules 13 MP, f/1.7, 27mm (wide), AF 13 MP, f/1.8, 1/3.1", 1.12µm, AF
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 1080p@30fps 4K@30fps, 1080p@30fps, 720p@120fps, HDR
Selfie Camera
Modules 13 MP, f/1.9, 28mm (wide), 1/3.1", 1.12µm 8 MP, f/1.8
Features LED flash
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 4.1, A2DP, LE 4.0, A2DP
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC Yes No
Infrared port No Yes
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass, barometer
 ANT+
Battery
Type Li-Ion 3600 mAh, non-removable Li-Ion 3080 mAh, non-removable
Charging 18W wired, QC2
Stand-by Up to 280 h (3G)
Talk time Up to 24 h (3G)
Music play Up to 91 h
Misc
Colors Black, Blue, Gold, Rose Gold Black, White
SAR 0.71 W/kg (head)     0.71 W/kg (head)     0.85 W/kg (body)    
SAR EU 0.57 W/kg (head)     1.33 W/kg (body)    
Models SM-J730G, SM-J730GM 2014215
Price About 200 EUR About 230 EUR
Tests
Performance GeekBench: 3768 (v4.4)
GFXBench: 1.9fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal), 3.998 (sunlight) Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 68dB / Noise 69dB / Ring 82dB Voice 62dB / Noise 62dB / Ring 66dB
Audio quality Noise -92.7dB / Crosstalk -92.4dB Noise -91.6dB / Crosstalk -49.7dB
Battery (old) Endurance rating 107h Endurance rating 68h

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