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Samsung Galaxy A40 vs Samsung Galaxy M30 vs Samsung Galaxy A9 (2018) vs Samsung Galaxy Note 8 comparison

 Compare Samsung Galaxy A40
Samsung Galaxy A40
Compare Samsung Galaxy M30
Samsung Galaxy M30
Compare Samsung Galaxy A9 (2018)
Samsung Galaxy A9 (2018)
Compare Samsung Galaxy Note 8
Samsung Galaxy Note 8
key specs
Display5.90-inch6.40-inch6.30-inch6.30-inch
ProcessorSamsung Exynos 7885Samsung Exynos 7904Qualcomm Snapdragon 660Samsung Exynos 8895
Front Camera25-megapixel16-megapixel 24-megapixel 8-megapixel
Rear Camera16-megapixel 13-megapixel + 5-megapixel + 5-megapixel 24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel 12-megapixel + 12-megapixel
RAM4GB4GB6GB6GB
Storage64GB64GB128GB64GB
Battery Capacity3100mAh5000mAh3800mAh3300mAh
OSAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.0 OreoAndroid 7.1.1
Resolution1080x2280 pixels1080x2340 pixels1080x2220 pixels1440x2960 pixels
general
BrandSamsungSamsungSamsungSamsung
ModelGalaxy A40Galaxy M30Galaxy A9 (2018)Galaxy Note 8
Release dateMarch 1, 2019February 1, 2019October 1, 2018August 1, 2017
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90-162.50 x 77.00 x 7.80162.50 x 74.80 x 8.60
Battery capacity (mAh)3100500038003300
ColoursBlue, Black, Orange, White--Midnight Black, Orchid Gray
Launched in India-Yes-Yes
Fast charging-Proprietary-Quick Charge 2.0
Weight (g)--183.00195.00
Removable battery---No
SAR value---0.22
display
Screen size (inches)5.906.406.306.30
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2220 pixels1440x2960 pixels
Aspect ratio19:919.5:9-18.5:9
Protection type---Gorilla Glass
hardware
Processor1.8GHz octa-core1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)octa-core (4x2.2GHz + 4x1.8GHz)octa-core (4x2.3GHz + 4x1.7GHz)
Processor makeSamsung Exynos 7885Samsung Exynos 7904Qualcomm Snapdragon 660Samsung Exynos 8895
RAM4GB4GB6GB6GB
Internal storage64GB64GB128GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-512512256
Dedicated microSD slot-Yes--
camera
Rear camera16-megapixel (f/2.0)13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2)24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0)12-megapixel (f/1.7, 1.4-micron) + 12-megapixel (f/2.4, 1.0-micron)
Rear autofocusYes-YesPhase detection autofocus
Rear flashYes--LED
Front camera25-megapixel16-megapixel (f/2.0)24-megapixel (f/2.0)8-megapixel (f/1.7, 1.22-micron)
Front autofocus---Yes
software
Operating systemAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.0 OreoAndroid 7.1.1
SkinOne UISamsung Experience v9.5Samsung Experience UXSamsung Experience 8.5
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 5.00Yes, v 5.00
NFCYes-YesYes
USB Type-CYesYesYesYes
Headphones3.5mm-3.5mmYes
Number of SIMs2222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
Micro-USB-Yes--
Active 4G on both SIM cards-Yes--
FM--NoNo
Infrared---No
USB OTG---Yes
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSM-GSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYesYes-
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYes-YesYes
Barometer---Yes
Temperature sensor---No
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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