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Samsung Galaxy J3 (2017) vs Samsung Galaxy J2 vs Samsung Galaxy J7 comparison

 Compare Samsung Galaxy J3 (2017)
Samsung Galaxy J3 (2017)
Compare Samsung Galaxy J2
Samsung Galaxy J2
Compare Samsung Galaxy J7
Samsung Galaxy J7
key specs
Display5.00-inch4.70-inch5.50-inch
ProcessorSamsung Exynos 7570Samsung Exynos 3475Samsung Exynos 7 Octa 7580
Front Camera5-megapixel2-megapixel 5-megapixel
Rear Camera13-megapixel5-megapixel 13-megapixel
RAM2GB1GB1.5GB
Storage16GB8GB16GB
Battery Capacity2400mAh2000mAh3000mAh
OSAndroid 7.0Android 5.1Android 5.1
Resolution720x1280 pixels540x960 pixels720x1280 pixels
general
BrandSamsungSamsungSamsung
ModelGalaxy J3 (2017)Galaxy J2Galaxy J7
Release dateJune 1, 2017September 1, 2015June 1, 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)143.20 x 70.30 x 8.20136.50 x 69.00 x 8.40152.40 x 78.60 x 7.50
Weight (g)148.00-171.00
Battery capacity (mAh)240020003000
Removable batteryNoYesYes
ColoursBlack, GoldBlack, White, GoldBlack, White, Gold
Launched in India-YesYes
Body type--Plastic
display
Screen size (inches)5.004.705.50
TouchscreenYesYesYes
Resolution720x1280 pixels540x960 pixels720x1280 pixels
Aspect ratio-16:916:9
Pixels per inch (PPI)-234-
hardware
Processor1.4GHz quad-core1.3GHz quad-core1.5GHz octa-core
Processor makeSamsung Exynos 7570Samsung Exynos 3475Samsung Exynos 7 Octa 7580
RAM2GB1GB1.5GB
Internal storage16GB8GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128128
camera
Rear camera13-megapixel5-megapixel (f/2.2)13-megapixel (f/1.9)
Rear flashLEDLEDLED
Front camera5-megapixel2-megapixel (f/2.2)5-megapixel (f/2.2)
Rear autofocus-YesYes
Front flash--LED
software
Operating systemAndroid 7.0Android 5.1Android 5.1
Skin--TouchWiz UI
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.10Yes, v 4.10
NFCNoNoNo
InfraredNoNoNo
USB OTGNoYesYes
Headphones3.5mm3.5mm3.5mm
FMNoYesYes
Number of SIMs122
Wi-Fi DirectNoYesYes
Mobile High-Definition Link (MHL)NoNoNo
Micro-USB--Yes
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerNoNoNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorNoNoNo
GyroscopeYesNoNo
BarometerNoNoNo
Temperature sensorNoNoNo
sim 2
SIM Type-Micro-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-NoYes
4G/ LTE-NoNo
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