Oppo A37 vs HTC Desire 830 vs Samsung Galaxy J7 (2016) comparison

Compare Oppo A37
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Compare Samsung Galaxy J7 (2016)
key specs
Display5.00-inch5.50-inch5.50-inch-
Processor1.2GHz quad-core1.5GHz octa-core1.6GHz octa-core-
Front Camera5-megapixel4-Ultrapixel5-megapixel-
Resolution720x1280 pixels1080x1920 pixels720x1080 pixels-
RAM2GB3GB2GB-
OSAndroid 5.1AndroidAndroid 6.0.1-
Storage16GB32GB16GB-
Rear Camera8-megapixel13-megapixel13-megapixel-
Battery Capacity2630mAh2800mAh3300mAh-
general
Release dateJune 2016May 2016March 2016-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)143.10 x 71.00 x 7.68157.50 x 78.90 x 7.79151.70 x 76.00 x 7.80-
Weight (g)136.00-170.00-
Battery capacity (mAh)263028003300-
Removable batteryNoNoYes-
ColoursGold, Grey-Pink, White, Gold-
display
Screen size (inches)5.005.505.50-
TouchscreenYesYesYes-
Resolution720x1280 pixels1080x1920 pixels720x1080 pixels-
Pixels per inch (PPI)293---
hardware
Processor1.2GHz quad-core1.5GHz octa-core1.6GHz octa-core-
Processor makeQualcomm Snapdragon 410MediaTek Helio X10--
RAM2GB3GB2GB-
Internal storage16GB32GB16GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128128128-
camera
Rear camera8-megapixel13-megapixel13-megapixel-
Rear flashLEDYesDual LED-
Front camera5-megapixel4-Ultrapixel5-megapixel-
Front flash--LED-
software
Operating systemAndroid 5.1AndroidAndroid 6.0.1-
SkinColorOS 3.0-TouchWiz UI-
connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 b/g/n-802.11 b/g/n-
GPSYesNoYes-
BluetoothYes, v 4.00YesYes, v 4.10-
NFCNoNoNo-
InfraredNoNoNo-
USB OTGYesNoYes-
Headphones3.5mm3.5mm3.5mm-
FMYesYesNo-
Number of SIMs212-
sim 1
SIM TypeNano-SIM-Micro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIM-Micro-SIM-
GSM/CDMAGSM-GSM-
3GYes-Yes-
4G/ LTEYes-Yes-
sensors
Compass/ MagnetometerYesNoNo-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorNoYesYes-
GyroscopeYesNoNo-
BarometerNoNoNo-
Temperature sensorNoNoNo-