Xiaomi Redmi Note 4X vs Samsung Galaxy A8 (2016) vs Samsung Galaxy A8 comparison

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Ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Camera Rating---
General
Alternate names--SM-A800F-
Release dateFebruary 2017September 2016July 2015-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)151.00 x 76.00 x 8.45156.60 x 76.80 x 7.20158.00 x 76.80 x 5.90-
Weight (g)165.00182.00151.00-
Battery capacity (mAh)410033003050-
Removable batteryNoNoNo-
ColoursCherry Powder, Champagne Gold, Platinum Silver Grey, Matte Black, Hatsune Miku Exclusive ColourPearl White, Midnight Black, Champagne Gold, MintBlack, White, Gold-
SAR Value--0.10-
Display
Screen size (inches)5.505.705.70-
TouchscreenYesYesYes-
Resolution1080x1920 pixels1080x1920 pixels1080x1920 pixels-
Pixels per inch (PPI)403-386-
Hardware
Processor2GHz octa-core1.5GHz octa-core1.8GHz octa-core-
Processor makeQualcomm Snapdragon 625Exynos 7420Exynos 5430-
RAM3GB3GB2GB-
Internal storage32GB32GB32GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)128256128-
Camera
Rear camera13-megapixel16-megapixel16-megapixel-
Front camera5-megapixel8-megapixel5-megapixel-
Software
Operating SystemAndroid 6.0Android 6.0.1Android 5.1.1-
Skin--TouchWiz UI-
Connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac-
GPSYesYesYes-
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10-
NFCNoYesNo-
InfraredYesNoNo-
Headphones3.5mm3.5mm3.5mm-
FMYesYesYes-
Number of SIMs222-
SIM1
SIM TypeMicro-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM + CDMA-
3GYesYesYes-
4G/LTEYesYesYes-
SIM2
SIM TypeMicro-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM + CDMA-
3GYesYesYes-
4G/LTEYesYesYes-
Sensors
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesNoYes-
GyroscopeYesNoNo-
BarometerNoNoNo-
Temperature sensorNoNoNo-