Samsung Galaxy J7 (2018) vs Samsung Galaxy J4 vs Huawei Y7 comparison

Compare Samsung Galaxy J7 (2018)
Compare Samsung Galaxy J4
Compare Huawei Y7
key specs
Display5.50-inch5.50-inch5.20-inch
Processordual-core1.4GHz quad-coreocta-core
Front Camera13-megapixel 5-megapixel 8-megapixel
Resolution720x1080 pixels720x1280 pixels720x1280 pixels
OSAndroidAndroid 8.0Android 7.0
Rear Camera13-megapixel 13-megapixel 12-megapixel
RAM-2GB2GB
Storage-16GB16GB
Battery Capacity-3000mAh4000mAh
general
Release dateJune 2018May 2018May 2017
Form factorTouchscreenTouchscreenTouchscreen
ColoursBlackBlack, Orchid Gray, GoldGrey, Prestige Gold, Silver
Launched in India-Yes-
Dimensions (mm)-151.70 x 77.20 x 8.10153.60 x 76.40 x 8.35
Weight (g)-175.00165.00
Battery capacity (mAh)-30004000
Removable battery-YesNo
display
Screen size (inches)5.505.505.20
TouchscreenYesYesYes
Resolution720x1080 pixels720x1280 pixels720x1280 pixels
Aspect ratio16:916:9-
hardware
Processordual-core1.4GHz quad-coreocta-core
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128
Processor make-Exynos 7570MSM8940
RAM-2GB2GB
Internal storage-16GB16GB
camera
Rear camera13-megapixel (f/1.9)13-megapixel (f/1.9)12-megapixel
Rear flashLEDLEDYes
Front camera13-megapixel (f/1.9)5-megapixel (f/2.2)8-megapixel
Rear autofocus-Yes-
Front flash-LED-
software
Operating systemAndroidAndroid 8.0Android 7.0
Skin--EMUI 5.1
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYesYes, v 4.20Yes, v 4.10
Micro-USBYesYes-
Headphones3.5mm-3.5mm
Number of SIMs222
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n
FM-YesNo
NFC--No
Infrared--No
USB OTG--No
sim 1
SIM TypeNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
AccelerometerYesYesYes
Proximity sensor-YesYes
Compass/ Magnetometer--Yes
Ambient light sensor--Yes
Gyroscope--No
Barometer--No
Temperature sensor--No