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Samsung Galaxy A40 vs Realme U1 vs Xiaomi Mi A2 comparison

 Compare Samsung Galaxy A40
Samsung Galaxy A40
Compare Realme U1
Realme U1
Compare Xiaomi Mi A2
Xiaomi Mi A2
key specs
Display5.90-inch6.30-inch5.99-inch
ProcessorSamsung Exynos 7885MediaTek Helio P70Qualcomm Snapdragon 660
Front Camera25-megapixel25-megapixel 20-megapixel
Rear Camera16-megapixel 13-megapixel + 2-megapixel 12-megapixel + 20-megapixel
RAM4GB4GB4GB
Storage64GB64GB64GB
Battery Capacity3100mAh3500mAh3000mAh
OSAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1 Oreo
Resolution1080x2280 pixels1080x2340 pixels1080x2160 pixels
general
BrandSamsungRealmeXiaomi
ModelGalaxy A40U1Mi A2
Release dateMarch 1, 2019November 1, 2018July 1, 2018
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90157.00 x 74.00 x 8.00158.70 x 75.40 x 7.30
Battery capacity (mAh)310035003000
ColoursBlue, Black, Orange, WhiteAmbitious Black, Brave Blue, and Fiery GoldBlack, Gold, Lake Blue, Rose Gold
Launched in India-YesYes
Weight (g)-168.00168.00
Removable battery-NoNo
Wireless charging-No-
SAR value-1.31-
display
Screen size (inches)5.906.305.99
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2160 pixels
Aspect ratio19:919.5:918:9
Protection type-Gorilla Glass-
Pixels per inch (PPI)-409403
hardware
Processor1.8GHz octa-core2.1GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)
Processor makeSamsung Exynos 7885MediaTek Helio P70Qualcomm Snapdragon 660
RAM4GB4GB4GB
Internal storage64GB64GB64GB
Expandable storageYesYesNo
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)-256-
Dedicated microSD slot-Yes-
camera
Rear camera16-megapixel (f/2.0)13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)
Rear autofocusYes-Phase detection autofocus
Rear flashYesLEDDual LED
Front camera25-megapixel25-megapixel (f/2.0)20-megapixel (f/2.2, 1.0-micron)
Front flash--LED
software
Operating systemAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1 Oreo
SkinOne UIColorOS 5.2-
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00
NFCYes-Yes
USB Type-CYes--
Headphones3.5mm3.5mmNo
Number of SIMs222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 a/b/g/n/ac
USB OTG-YesYes
Micro-USB-Yes-
FM-Yes-
Active 4G on both SIM cards-Yes-
Wi-Fi Direct--Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Face unlockYesYes-
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
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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