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Samsung Galaxy M20 vs Samsung Galaxy M30 vs Nokia 8.1 vs Xiaomi Mi A2 comparison

 Compare Samsung Galaxy M20
Samsung Galaxy M20
Compare Samsung Galaxy M30
Samsung Galaxy M30
Compare Nokia 8.1
Nokia 8.1
Compare Xiaomi Mi A2
Xiaomi Mi A2
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
Display6.30-inch6.40-inch6.18-inch5.99-inch
ProcessorSamsung Exynos 7904Samsung Exynos 7904Qualcomm Snapdragon 710Qualcomm Snapdragon 660
Front Camera8-megapixel 16-megapixel 20-megapixel 20-megapixel
Rear Camera13-megapixel + 5-megapixel 13-megapixel + 5-megapixel + 5-megapixel 12-megapixel + 13-megapixel12-megapixel + 20-megapixel
RAM3GB4GB4GB4GB
Storage32GB64GB64GB64GB
Battery Capacity5000mAh5000mAh3500mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 9.0 PieAndroid 8.1 Oreo
Resolution1080x2340 pixels1080x2340 pixels1080x2244 pixels1080x2160 pixels
general
BrandSamsungSamsungNokiaXiaomi
ModelGalaxy M20Galaxy M308.1Mi A2
Release dateJanuary 1, 2019February 1, 2019December 1, 2018July 1, 2018
Launched in IndiaYesYes-Yes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Battery capacity (mAh)5000500035003000
Removable batteryNo-NoNo
Wireless chargingNo---
ColoursCharcoal Black, Ocean Blue-Blue/ Silver, Steel/ Copper, Iron/ SteelBlack, Gold, Lake Blue, Rose Gold
Fast charging-Proprietary--
Dimensions (mm)--154.80 x 75.76 x 7.97158.70 x 75.40 x 7.30
Weight (g)--178.00168.00
display
Screen size (inches)6.306.406.185.99
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2340 pixels1080x2244 pixels1080x2160 pixels
Aspect ratio19.5:919.5:918.7:918:9
Pixels per inch (PPI)---403
hardware
Processor1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)2.2GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)
Processor makeSamsung Exynos 7904Samsung Exynos 7904Qualcomm Snapdragon 710Qualcomm Snapdragon 660
RAM3GB4GB4GB4GB
Internal storage32GB64GB64GB64GB
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512512400-
Dedicated microSD slotYesYes--
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2)12-megapixel (f/1.8, 1.4-micron) + 13-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)
Rear autofocusYes-YesPhase detection autofocus
Rear flashYes-Dual LEDDual LED
Front camera8-megapixel (f/2.0)16-megapixel (f/2.0)20-megapixel (0.9-micron)20-megapixel (f/2.2, 1.0-micron)
Front flashNo--LED
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 9.0 PieAndroid 8.1 Oreo
SkinSamsung Experience 9.5 UXSamsung Experience v9.5--
connectivity
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYesYes, v 5.00Yes, v 5.00Yes, v 5.00
USB Type-CYesYesYes-
Micro-USBNoYes--
Headphones3.5mm-3.5mmNo
Number of SIMs2222
Wi-Fi-YesYesYes
Active 4G on both SIM cards-Yes--
FM--Yes-
NFC---Yes
USB OTG---Yes
Wi-Fi Direct---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYesYes-
Fingerprint sensorYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Compass/ Magnetometer-YesYesYes
Ambient light sensor-YesYesYes
Gyroscope--YesYes

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