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-coreocta-core 1.3GHz quad-core-
Front Camera13-megapixel 8-megapixel 2-megapixel -
Resolution720x1080 pixels720x1280 pixels540x960 pixels-
OSAndroidAndroid OreoAndroid 5.1-
Rear Camera13-megapixel 13-megapixel + 5-megapixel 5-megapixel -
RAM-4GB1GB-
Storage-32GB8GB-
Battery Capacity-3000mAh2000mAh-
general
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-
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-