Samsung Galaxy A40 vs Samsung Galaxy A8s vs Samsung Galaxy A9 (2018) vs Samsung Galaxy A8 Star comparison

Compare Samsung Galaxy A40
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Compare Samsung Galaxy A8 Star
ratings
Overall NDTV Rating--Read Review-
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
key specs
Display5.90-inch6.20-inch6.30-inch6.28-inch
Processor1.8GHz octa-coreocta-core octa-core octa-core
Front Camera25-megapixel24-megapixel 24-megapixel 24-megapixel
Resolution1080x2280 pixels1080x2340 pixels1080x2220 pixels1880x2220 pixels
RAM4GB6GB6GB4GB
OSAndroid 9.0 PieAndroidAndroid 8.0 OreoAndroid 8.0
Storage64GB128GB128GB64GB
Rear Camera16-megapixel 24-megapixel + 10-megapixel + 5-megapixel 24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel 16-megapixel + 24-megapixel
Battery Capacity3100mAh3400mAh3800mAh3700mAh
general
Release dateMarch 2019December 2018October 2018June 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90-162.50 x 77.00 x 7.80162.40 x 77.00 x 7.50
Battery capacity (mAh)3100340038003700
ColoursBlue, Black, Orange, WhiteBlack, Blue, Silver-Black, White
Launched in India-No-Yes
Width-7.4--
Weight (g)--183.00188.00
display
Screen size (inches)5.906.206.306.28
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2220 pixels1880x2220 pixels
Aspect ratio19:919.5:9-18.5:9
hardware
Processor1.8GHz octa-coreocta-core (2x2.2GHz + 6x1.7GHz)octa-core (4x2.2GHz + 4x1.8GHz)octa-core
Processor makeSamsung Exynos 7885Qualcomm Snapdragon 710Qualcomm Snapdragon 660Snapdragon 660
RAM4GB6GB6GB4GB
Internal storage64GB128GB128GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)--512256
camera
Rear camera16-megapixel (f/2.0)24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 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)16-megapixel (f/1.7) + 24-megapixel (f/1.7)
Rear autofocusYes-Yes-
Rear flashYes--LED
Front camera25-megapixel24-megapixel (f/2.0)24-megapixel (f/2.0)24-megapixel (f/2.0)
software
Operating systemAndroid 9.0 PieAndroidAndroid 8.0 OreoAndroid 8.0
SkinOne UI-Samsung Experience UX-
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20YesYes, v 5.00Yes, v 5.00
NFCYesYesYes-
USB Type-CYesYesYesYes
Headphones3.5mmType-C3.5mm-
Number of SIMs2222
Active 4G on both SIM cards-Yes--
Wi-Fi standards supported--802.11 a/b/g/n/ac802.11 a/b/g/n/ac
FM--No-
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSMGSM + CDMA
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSM-GSM + CDMA
3GYesYesYes-
4G/ LTEYesYesYes-
sensors
Face unlockYesYesYesYes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYes-
Proximity sensorYes-YesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYes-