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Samsung Galaxy A40 vs Xiaomi Mi 9 SE vs Xiaomi Mi 9 comparison

 Compare Samsung Galaxy A40
Samsung Galaxy A40
Compare Xiaomi Mi 9 SE
Xiaomi Mi 9 SE
Compare Xiaomi Mi 9
Xiaomi Mi 9
key specs
Display5.90-inch5.97-inch6.39-inch
ProcessorSamsung Exynos 7885Qualcomm Snapdragon 712Qualcomm Snapdragon 855
Front Camera25-megapixel20-megapixel20-megapixel
Rear Camera16-megapixel 48-megapixel + 8-megapixel + 13-megapixel 48-megapixel + 12-megapixel + 16-megapixel
RAM4GB6GB6GB
Storage64GB64GB128GB
Battery Capacity3100mAh3070mAh3300mAh
OSAndroid 9.0 PieAndroid 9.0Android 9.0
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels
general
BrandSamsungXiaomiXiaomi
ModelGalaxy A40Mi 9 SEMi 9
Release dateMarch 1, 2019February 1, 2019February 1, 2019
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90147.50 x 70.50 x 7.45157.50 x 74.67 x 7.61
Battery capacity (mAh)310030703300
ColoursBlue, Black, Orange, WhiteDeep Grey, Holographic Illusion Blue, Holographic IllusionDeep Grey, Holographic Illusion Blue, Holographic Illusion
Weight (g)-155.00173.00
Fast charging-ProprietaryProprietary
Wireless charging--Yes
display
Screen size (inches)5.905.976.39
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels
Aspect ratio19:9-19.5:9
Pixels per inch (PPI)-432-
Protection type--Gorilla Glass
hardware
Processor1.8GHz octa-core2.3GHz2.84GHz octa-core
Processor makeSamsung Exynos 7885Qualcomm Snapdragon 712Qualcomm Snapdragon 855
RAM4GB6GB6GB
Internal storage64GB64GB128GB
Expandable storageYes--
Expandable storage typemicroSD--
camera
Rear camera16-megapixel (f/2.0)48-megapixel (f/1.75) + 8-megapixel (f/2.4) + 13-megapixel (f/2.4)48-megapixel (f/1.75, 0.8-micron) + 12-megapixel (f/2.2, 1.0-micron) + 16-megapixel (f/2.2, 1.0-micron)
Rear autofocusYes-Yes
Rear flashYes-Yes
Front camera25-megapixel20-megapixel20-megapixel (f/2.0, 0.9-micron)
software
Operating systemAndroid 9.0 PieAndroid 9.0Android 9.0
SkinOne UIMIUI 10MIUI 10
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 5.00
NFCYesYesYes
USB Type-CYesYesYes
Headphones3.5mm--
Number of SIMs222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 a/b/g/n/ac
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 unlockYesYesYes
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
3D face recognition--Yes

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