Samsung Galaxy A40 vs Redmi Note 7 Pro vs Samsung Galaxy M30 vs OnePlus 6T comparison

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key specs
Display5.90-inch6.30-inch6.40-inch6.41-inch
ProcessorSamsung Exynos 7885Qualcomm Snapdragon 675Samsung Exynos 7904Qualcomm Snapdragon 845
Front Camera25-megapixel13-megapixel16-megapixel 16-megapixel
Rear Camera16-megapixel 48-megapixel + 5-megapixel13-megapixel + 5-megapixel + 5-megapixel 16-megapixel + 20-megapixel
RAM4GB4GB4GB8GB
Storage64GB64GB64GB128GB
Battery Capacity3100mAh4000mAh5000mAh3700mAh
OSAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 9.0
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x2340 pixels
general
BrandSamsungXiaomiSamsungOnePlus
ModelGalaxy A40Redmi Note 7 ProGalaxy M306T
Release dateMarch 1, 2019February 1, 2019February 1, 2019October 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90159.21 x 75.21 x 8.10-157.50 x 74.80 x 8.20
Battery capacity (mAh)3100400050003700
ColoursBlue, Black, Orange, WhiteClassic Space Black, Nebula Red, Neptune Blue-Midnight Black, Mirror Black
Launched in India-YesYes-
Body type-Glass-Glass
Weight (g)-186.00-185.00
Removable battery-No-No
Fast charging-Quick Charge 4+ProprietaryProprietary
Wireless charging---No
display
Screen size (inches)5.906.306.406.41
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x2340 pixels
Aspect ratio19:919.5:919.5:919.5:9
Protection type-Gorilla Glass-Gorilla Glass
Pixels per inch (PPI)-409--
hardware
Processor1.8GHz octa-core2GHz octa-core1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)octa-core (4x2.8GHz)
Processor makeSamsung Exynos 7885Qualcomm Snapdragon 675Samsung Exynos 7904Qualcomm Snapdragon 845
RAM4GB4GB4GB8GB
Internal storage64GB64GB64GB128GB
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)--512-
Dedicated microSD slot--Yes-
camera
Rear camera16-megapixel (f/2.0)48-megapixel (f/1.79, 1.6-micron) + 5-megapixel13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2)16-megapixel (f/1.7, 1.22-micron) + 20-megapixel (f/1.7, 1-micron)
Rear autofocusYesYes-Phase detection autofocus
Rear flashYesLED-Dual LED
Front camera25-megapixel13-megapixel16-megapixel (f/2.0)16-megapixel (f/2.0, 1-micron)
Front flash---No
software
Operating systemAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 9.0
SkinOne UIMIUI 10Samsung Experience v9.5OxygenOS
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 5.00Yes, v 5.00
NFCYes--Yes
USB Type-CYesYesYesYes
Headphones3.5mm3.5mm-Type-C
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
Infrared-Yes--
USB OTG-Yes-Yes
Active 4G on both SIM cards-YesYesYes
Micro-USB--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 unlockYesYesYesYes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes-Yes
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
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Battery Life Rating-
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Value for Money Rating-

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