Samsung Galaxy M20 vs Xiaomi Mi A2 vs Samsung Galaxy S7 comparison

Compare Samsung Galaxy M20
Compare Xiaomi Mi A2
Compare Samsung Galaxy S7
ratings
Overall NDTV RatingRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.30-inch5.99-inch5.10-inch
ProcessorSamsung Exynos 7904Qualcomm Snapdragon 6601.6GHz octa-core
Front Camera8-megapixel 20-megapixel 5-megapixel
Rear Camera13-megapixel + 5-megapixel 12-megapixel + 20-megapixel 12-megapixel
RAM3GB4GB4GB
Storage32GB64GB32GB
Battery Capacity5000mAh3000mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0
Resolution1080x2340 pixels1080x2160 pixels1440x2560 pixels
general
BrandSamsungXiaomiSamsung
ModelGalaxy M20Mi A2Galaxy S7
Release dateJanuary 1, 2019July 1, 2018February 1, 2016
Launched in IndiaYesYes-
Form factorTouchscreenTouchscreenTouchscreen
Battery capacity (mAh)500030003000
Removable batteryNoNoNo
Wireless chargingNo--
ColoursCharcoal Black, Ocean BlueBlack, Gold, Lake Blue, Rose Gold-
Dimensions (mm)-158.70 x 75.40 x 7.30142.40 x 69.60 x 7.90
Weight (g)-168.00152.00
display
Screen size (inches)6.305.995.10
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2160 pixels1440x2560 pixels
Aspect ratio19.5:918:9-
Pixels per inch (PPI)-403577
hardware
Processor1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)octa-core (4x2.2GHz + 4x1.8GHz)1.6GHz octa-core
Processor makeSamsung Exynos 7904Qualcomm Snapdragon 660-
RAM3GB4GB4GB
Internal storage32GB64GB32GB
Expandable storageYesNoYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)512-200
Dedicated microSD slotYes--
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel
Rear autofocusYesPhase detection autofocus-
Rear flashYesDual LEDYes
Front camera8-megapixel (f/2.0)20-megapixel (f/2.2, 1.0-micron)5-megapixel
Front flashNoLED-
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0
SkinSamsung Experience 9.5 UX--
connectivity
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYesYes, v 5.00Yes, v 4.20
USB Type-CYes--
Micro-USBNo--
Headphones3.5mmNo3.5mm
Number of SIMs222
Wi-Fi-YesYes
NFC-YesYes
USB OTG-YesYes
Wi-Fi Direct-YesNo
Infrared--No
FM--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Face unlockYes--
Fingerprint sensorYesYes-
Proximity sensorYesYesYes
AccelerometerYesYesYes
Compass/ Magnetometer-YesYes
Ambient light sensor-YesYes
Gyroscope-YesYes
Barometer--Yes
Temperature sensor--No

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