Oppo A71 vs Samsung Galaxy J7 Pro vs Apple iPhone 6s comparison

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Ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for money Rating---
General
Release dateSeptember 2017June 2017September 2015-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)148.10 x 73.80 x 7.60152.40 x 74.70 x 7.90138.30 x 67.10 x 7.10-
Weight (g)137.00-143.00-
Battery capacity (mAh)300036001715-
Removable batteryNoNoNo-
ColoursGold, BlackBlack, GoldSilver, Gold, Space Grey, Rose Gold-
SAR ValueNANANA-
Display
Screen size (inches)5.205.504.70-
TouchscreenYesYesYes-
Resolution720x1280 pixels1080x1920 pixels750x1334 pixels-
Pixels per inch (PPI)-401326-
Hardware
Processor1.5GHz octa-core1.6GHz octa-core--
Processor makeMediaTek MT6750Exynos 7870 A9-
RAM3GB3GB2GB-
Internal storage16GB64GB16GB-
Expandable storageYesYesNo-
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)256128--
Camera
Rear camera13-megapixel13-megapixel12-megapixel-
FlashYesYesYes-
Front camera5-megapixel13-megapixel5-megapixel-
Software
Operating SystemAndroid 7.1Android 7.0iOS 9-
SkinColor OS---
Connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 a/b/g/n/ac-
GPSYesYesYes-
BluetoothYes, v 4.00Yes, v 4.10Yes, v 4.20-
NFCNoYesYes-
InfraredNoNoNo-
Headphones3.5mm3.5mm3.5mm-
FMNoNoNo-
Number of SIMs221-
SIM1
SIM TypeNano-SIM-Nano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesNoYes-
4G/LTEYesYesYes-
SIM2
SIM TypeNano-SIM---
GSM/CDMAGSM---
3GYesNo--
4G/LTEYesYes--
Sensors
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeNoYesYes-
BarometerNoNoYes-
Temperature sensorNoNoNo-