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Samsung Galaxy J7 (2018) vs Mi A1 vs Vivo Y55s vs Oppo A57 comparison

 Compare Samsung Galaxy J7 (2018)
Samsung Galaxy J7 (2018)
Compare Mi A1
Mi A1
Compare Vivo Y55s
Vivo Y55s
Compare Oppo A57
Oppo A57
key specs
Display5.50-inch5.50-inch5.20-inch5.20-inch
Processordual-coreQualcomm Snapdragon 625Qualcomm Snapdragon 425Qualcomm Snapdragon 435
Front Camera13-megapixel 5-megapixel5-megapixel 16-megapixel
Rear Camera13-megapixel 12-megapixel13-megapixel 13-megapixel
OSAndroidAndroid 7.1.2Android 6.0Android 6.0
Resolution720x1080 pixels1080x1920 pixels1280x720 pixels720x1280 pixels
RAM-4GB3GB3GB
Storage-64GB16GB32GB
Battery Capacity-3080mAh2730mAh2900mAh
general
BrandSamsungXiaomiVivoOppo
ModelGalaxy J7 (2018)Mi A1Y55sA57
Release dateJune 1, 2018September 1, 2017February 1, 2017November 1, 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
ColoursBlackRose Gold, Gold, BlackGold, Space GreyRose Gold, Gold
Launched in India-YesYesYes
Dimensions (mm)-155.40 x 75.80 x 7.30147.90 x 72.90 x 7.50149.10 x 72.90 x 7.65
Weight (g)-165.00142.00147.00
Battery capacity (mAh)-308027302900
Removable battery-NoNoNo
SAR value--1.081.31
display
Screen size (inches)5.505.505.205.20
TouchscreenYesYesYesYes
Resolution720x1080 pixels1080x1920 pixels1280x720 pixels720x1280 pixels
Aspect ratio16:916:916:916:9
Pixels per inch (PPI)--282-
hardware
Processordual-core2GHz octa-core1.4GHz quad-core1.4GHz octa-core
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256128256256
Processor make-Qualcomm Snapdragon 625Qualcomm Snapdragon 425Qualcomm Snapdragon 435
RAM-4GB3GB3GB
Internal storage-64GB16GB32GB
camera
Rear camera13-megapixel (f/1.9)12-megapixel13-megapixel (f/2.2)13-megapixel (f/2.2)
Rear flashLEDDual LEDLEDLED
Front camera13-megapixel (f/1.9)5-megapixel5-megapixel (f/2.2)16-megapixel (f/2.0, 1.12-micron)
Rear autofocus--YesPhase detection autofocus
Front autofocus---Yes
software
Operating systemAndroidAndroid 7.1.2Android 6.0Android 6.0
Skin--Funtouch OS 3.0ColorOS 3.0
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYesYes, v 4.20YesYes, v 4.10
Micro-USBYes-YesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
Wi-Fi standards supported-802.11 a/b/g/n/ac-802.11 b/g/n
NFC-NoNoNo
Infrared-YesNoNo
USB OTG-YesYesYes
USB Type-C-Yes--
FM-NoYesYes
Wi-Fi Direct-NoNoNo
Mobile High-Definition Link (MHL)-NoNoNo
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIM-Nano-SIM
GSM/CDMAGSMGSM-GSM
3GYesYesNoYes
4G/ LTEYesYesNoYes
sensors
AccelerometerYesYesYesYes
Fingerprint sensor-Yes-Yes
Compass/ Magnetometer-YesYesYes
Proximity sensor-YesYesYes
Ambient light sensor-YesYesYes
Gyroscope-YesYesYes
Barometer-NoNoNo
Temperature sensor-NoNoNo
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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