Samsung Galaxy J7 (2018) vs Samsung Galaxy J7 Duo vs Samsung Galaxy J2 comparison

Compare Samsung Galaxy J7 (2018)
Compare Samsung Galaxy J7 Duo
Compare Samsung Galaxy J2
key specs
Display5.50-inch5.50-inch4.70-inch
Processordual-coreExynos 7 Series Octa-Core ProcessorExynos 3475
Front Camera13-megapixel 8-megapixel 2-megapixel
Rear Camera13-megapixel 13-megapixel + 5-megapixel 5-megapixel
OSAndroidAndroid OreoAndroid 5.1
Resolution720x1080 pixels720x1280 pixels540x960 pixels
RAM-4GB1GB
Storage-32GB8GB
Battery Capacity-3000mAh2000mAh
general
BrandSamsungSamsungSamsung
ModelGalaxy J7 (2018)Galaxy J7 DuoGalaxy J2
Release dateJune 2018March 2018September 2015
Form factorTouchscreenTouchscreenTouchscreen
ColoursBlackBlack and GoldBlack, White, Gold
Launched in India-YesYes
Dimensions (mm)-153.50 x 77.20 x 8.20136.50 x 69.00 x 8.40
Weight (g)-174.00-
Battery capacity (mAh)-30002000
Removable battery--Yes
display
Screen size (inches)5.505.504.70
TouchscreenYesYesYes
Resolution720x1080 pixels720x1280 pixels540x960 pixels
Aspect ratio16:916:916:9
Pixels per inch (PPI)-267234
hardware
Processordual-coreocta-core (2x2.2GHz + 6x1.6GHz)1.3GHz quad-core
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128
Processor make-Exynos 7 Series Octa-Core ProcessorExynos 3475
RAM-4GB1GB
Internal storage-32GB8GB
camera
Rear camera13-megapixel (f/1.9)13-megapixel (f/1.9) + 5-megapixel (f/1.9)5-megapixel (f/2.2)
Rear flashLEDLEDLED
Front camera13-megapixel (f/1.9)8-megapixel (f/1.9)2-megapixel (f/2.2)
Rear autofocus-YesYes
Front flash-LED-
software
Operating systemAndroidAndroid OreoAndroid 5.1
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYesYes, v 5.00Yes, v 4.10
Micro-USBYes--
Headphones3.5mm-3.5mm
Number of SIMs222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 b/g/n
NFC-NoNo
FM-YesYes
Infrared--No
USB OTG--Yes
Wi-Fi Direct--Yes
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIM-Micro-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIM-Micro-SIM
GSM/CDMAGSM-GSM
3GYes-No
4G/ LTEYes-No
sensors
AccelerometerYesYesYes
Fingerprint sensor-Yes-
Compass/ Magnetometer-NoNo
Proximity sensor-YesYes
Ambient light sensor--No
Gyroscope--No
Barometer--No
Temperature sensor--No
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