Samsung Galaxy J7 Max vs Oppo F3 vs Oppo A57 comparison

Compare Samsung Galaxy J7 Max
Compare Oppo F3
Compare Oppo A57
key specs
Display5.70-inch5.50-inch5.20-inch
ProcessorMediaTek Helio P20 MediaTek MT6750TQualcomm Snapdragon 435
Front Camera13-megapixel 16-megapixel + 8-megapixel 16-megapixel
Rear Camera13-megapixel 13-megapixel 13-megapixel
RAM4GB4GB3GB
Storage32GB64GB32GB
Battery Capacity3300mAh3200mAh2900mAh
OSAndroid 7.0Android 6.0Android 6.0
Resolution1080x1920 pixels1080x1920 pixels720x1280 pixels
general
BrandSamsungOppoOppo
ModelGalaxy J7 MaxF3A57
Release dateJune 1, 2017May 1, 2017November 1, 2016
Launched in IndiaYesYesYes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.70 x 78.80 x 8.10153.30 x 75.20 x 7.30149.10 x 72.90 x 7.65
Weight (g)179.00153.00147.00
Battery capacity (mAh)330032002900
Removable batteryNoNoNo
ColoursBlack, GoldGold, BlackRose Gold, Gold
SAR value-1.401.31
display
Screen size (inches)5.705.505.20
TouchscreenYesYesYes
Resolution1080x1920 pixels1080x1920 pixels720x1280 pixels
Aspect ratio16:916:916:9
Pixels per inch (PPI)386401-
Protection type-Gorilla Glass-
hardware
Processor1.69GHz octa-coreocta-core (4x1.5GHz + 4x1GHz)1.4GHz octa-core
Processor makeMediaTek Helio P20 (MT6757)MediaTek MT6750TQualcomm Snapdragon 435
RAM4GB4GB3GB
Internal storage32GB64GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128256
camera
Rear camera13-megapixel (f/1.7)13-megapixel (f/2.2, 1.12-micron)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDLED
Front camera13-megapixel (f/1.9)16-megapixel (f/2.0) + 8-megapixel (f/2.4)16-megapixel (f/2.0, 1.12-micron)
Front flashLED--
Front autofocus--Yes
software
Operating systemAndroid 7.0Android 6.0Android 6.0
Skin-ColorOS 3.0ColorOS 3.0
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYesYes, v 4.00Yes, v 4.10
NFCNoNoNo
InfraredNoNoNo
USB OTGYesYesYes
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoNoNo
Mobile High-Definition Link (MHL)NoNoNo
Wi-Fi standards supported-802.11 a/b/g/n802.11 b/g/n
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
BarometerNoNoNo
Temperature sensorNoNoNo
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
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Battery Life Rating-
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Value for Money Rating-

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