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Xiaomi Mi A2 vs Mi A1 vs Samsung Galaxy J7 Prime vs Xiaomi Redmi Note 4 comparison

 Compare Xiaomi Mi A2
Xiaomi Mi A2
Compare Mi A1
Mi A1
Compare Samsung Galaxy J7 Prime
Samsung Galaxy J7 Prime
Compare Xiaomi Redmi Note 4
Xiaomi Redmi Note 4
ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display5.99-inch5.50-inch5.50-inch5.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 625Samsung Exynos 7 Octa 7870Qualcomm Snapdragon 625
Front Camera20-megapixel 5-megapixel8-megapixel 5-megapixel
Rear Camera12-megapixel + 20-megapixel 12-megapixel13-megapixel 13-megapixel
RAM4GB4GB3GB4GB
Storage64GB64GB16GB64GB
Battery Capacity3000mAh3080mAh3300mAh4100mAh
OSAndroid 8.1 OreoAndroid 7.1.2Android 6.0Android 6.0
Resolution1080x2160 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
general
BrandXiaomiXiaomiSamsungXiaomi
ModelMi A2Mi A1Galaxy J7 PrimeRedmi Note 4
Release dateJuly 1, 2018September 1, 2017September 1, 2016August 1, 2016
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)158.70 x 75.40 x 7.30155.40 x 75.80 x 7.30151.50 x 74.90 x 8.10151.00 x 76.00 x 8.30
Weight (g)168.00165.00167.00175.00
Battery capacity (mAh)3000308033004100
Removable batteryNoNoNoNo
ColoursBlack, Gold, Lake Blue, Rose GoldRose Gold, Gold, BlackGold, BlackGold, Grey, Matte Black
display
Screen size (inches)5.995.505.505.50
TouchscreenYesYesYesYes
Resolution1080x2160 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
Aspect ratio18:916:916:916:9
Pixels per inch (PPI)403-401401
Protection type--Gorilla Glass-
hardware
Processorocta-core (4x2.2GHz + 4x1.8GHz)2GHz octa-core1.6GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 625Samsung Exynos 7 Octa 7870Qualcomm Snapdragon 625
RAM4GB4GB3GB4GB
Internal storage64GB64GB16GB64GB
Expandable storageNoYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-128256128
camera
Rear camera12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel13-megapixel (f/1.9)13-megapixel (f/2.0, 1.12-micron)
Rear autofocusPhase detection autofocus-YesPhase detection autofocus
Rear flashDual LEDDual LEDLEDDual LED
Front camera20-megapixel (f/2.2, 1.0-micron)5-megapixel8-megapixel (f/1.9)5-megapixel (f/2.0)
Front flashLED---
software
Operating systemAndroid 8.1 OreoAndroid 7.1.2Android 6.0Android 6.0
Skin---MIUI 8
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac-802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.10Yes, v 4.10
NFCYesNoNoNo
USB OTGYesYesYesYes
HeadphonesNo3.5mm3.5mm3.5mm
Number of SIMs2222
Wi-Fi DirectYesNoNoNo
Infrared-YesNoYes
USB Type-C-Yes--
FM-NoYesYes
Mobile High-Definition Link (MHL)-NoNoNo
Micro-USB--YesYes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesNoYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesNoYes
GyroscopeYesYesNoYes
Barometer-NoNoNo
Temperature sensor-NoNoNo

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