Xiaomi Redmi Note 4X vs Oppo A57 vs Samsung Galaxy J7 Prime comparison

Compare Xiaomi Redmi Note 4X
Compare Oppo A57
Compare Samsung Galaxy J7 Prime
key specs
Display5.50-inch5.20-inch5.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 435Samsung Exynos 7 Octa 7870
Front Camera5-megapixel16-megapixel 8-megapixel
Rear Camera13-megapixel13-megapixel 13-megapixel
RAM3GB3GB3GB
Storage32GB32GB16GB
Battery Capacity4100mAh2900mAh3300mAh
OSAndroid 6.0Android 6.0Android 6.0
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels
general
BrandXiaomiOppoSamsung
ModelRedmi Note 4XA57Galaxy J7 Prime
Release dateFebruary 1, 2017November 1, 2016September 1, 2016
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)151.00 x 76.00 x 8.45149.10 x 72.90 x 7.65151.50 x 74.90 x 8.10
Weight (g)165.00147.00167.00
Battery capacity (mAh)410029003300
Removable batteryNoNoNo
ColoursCherry Powder, Champagne Gold, Platinum Silver Grey, Matte Black, Hatsune Miku Exclusive ColourRose Gold, GoldGold, Black
Launched in India-YesYes
SAR value-1.31-
display
Screen size (inches)5.505.205.50
TouchscreenYesYesYes
Resolution1080x1920 pixels720x1280 pixels1080x1920 pixels
Pixels per inch (PPI)403-401
Aspect ratio-16:916:9
Protection type--Gorilla Glass
hardware
Processor2GHz octa-core1.4GHz octa-core1.6GHz octa-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 435Samsung Exynos 7 Octa 7870
RAM3GB3GB3GB
Internal storage32GB32GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)128256256
camera
Rear camera13-megapixel13-megapixel (f/2.2)13-megapixel (f/1.9)
Rear flashYesLEDLED
Front camera5-megapixel16-megapixel (f/2.0, 1.12-micron)8-megapixel (f/1.9)
Rear autofocus-Phase detection autofocusYes
Front autofocus-Yes-
software
Operating systemAndroid 6.0Android 6.0Android 6.0
Skin-ColorOS 3.0-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n-
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.10Yes, v 4.10
NFCNoNoNo
InfraredYesNoNo
USB OTGYesYesYes
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoNoNo
Mobile High-Definition Link (MHL)NoNoNo
Micro-USB-YesYes
sim 1
SIM TypeMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYesYesNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesNo
GyroscopeYesYesNo
BarometerNoNoNo
Temperature sensorNoNoNo
Fingerprint sensor-YesYes
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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