Samsung Galaxy A40 vs Samsung Galaxy A20 vs Samsung Galaxy A50 vs Samsung Galaxy A7 (2018) comparison

Compare Samsung Galaxy A40
Compare Samsung Galaxy A20
Compare Samsung Galaxy A50
Compare Samsung Galaxy A7 (2018)
ratings
Overall NDTV Rating--Read ReviewRead Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.90-inch6.40-inch6.40-inch6.00-inch
Processor1.8GHz octa-coreocta-core -2.2GHz octa-core
Front Camera25-megapixel8-megapixel 25-megapixel 24-megapixel
Resolution1080x2280 pixels720x1560 pixels1080x2340 pixels1080x2220 pixels
RAM4GB3GB4GB4GB
OSAndroid 9.0 PieAndroidAndroid PieAndroid 8.0
Storage64GB32GB64GB64GB
Rear Camera16-megapixel 13-megapixel + 5-megapixel 25-megapixel + 5-megapixel + 8-megapixel 24-megapixel + 8-megapixel + 5-megapixel
Battery Capacity3100mAh4000mAh4000mAh3300mAh
general
Release dateMarch 2019March 2019February 2019September 2018
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)144.30 x 69.10 x 7.90158.40 x 74.70 x 7.80158.50 x 74.70 x 7.70159.80 x 76.80 x 7.50
Battery capacity (mAh)3100400040003300
ColoursBlue, Black, Orange, White-Black, White, BlueBlack, Blue, Gold, Pink
Launched in India-NoYesYes
Removable battery--NoNo
Fast charging--Proprietary-
Wireless charging--NoNo
Weight (g)---168.00
display
Screen size (inches)5.906.406.406.00
TouchscreenYesYesYesYes
Resolution1080x2280 pixels720x1560 pixels1080x2340 pixels1080x2220 pixels
Aspect ratio19:9--18.5:9
hardware
Processor1.8GHz octa-coreocta-core (2x1.6GHz + 6x1.35GHz)-2.2GHz octa-core
Processor makeSamsung Exynos 7885Exynos 7884Exynos 7 9610-
RAM4GB3GB4GB4GB
Internal storage64GB32GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-512512512
Dedicated microSD slot--Yes-
camera
Rear camera16-megapixel (f/2.0)13-megapixel (f/1.9) + 5-megapixel (f/2.2)25-megapixel (f/1.7) + 5-megapixel (f/2.2) + 8-megapixel (f/2.2)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)
Rear autofocusYes-YesYes
Rear flashYesYesLEDYes
Front camera25-megapixel8-megapixel (f/2.0)25-megapixel (f/2.0)24-megapixel (f/2.0)
Front flash--NoYes
Front autofocus---No
software
Operating systemAndroid 9.0 PieAndroidAndroid PieAndroid 8.0
SkinOne UI-One UI-
connectivity
Wi-FiYesYesYesYes
GPSYes-YesYes
BluetoothYes, v 4.20YesYes, v 5.00Yes, v 5.00
NFCYes--No
USB Type-CYes-Yes-
Headphones3.5mm-3.5mm-
Number of SIMs2-22
Wi-Fi standards supported---802.11 a/b/g/n/ac
FM---Yes
Active 4G on both SIM cards---Yes
sim 1
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSM-
3GYes-Yes-
4G/ LTEYes-Yes-
sim 2
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSM-
3GYes-Yes-
4G/ LTEYes-YesYes
sensors
Face unlockYes--Yes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYes--Yes
Proximity sensorYes--Yes
AccelerometerYes-YesYes
Ambient light sensorYes-YesYes
GyroscopeYes-YesYes