Samsung Galaxy A9 (2018) vs Samsung Galaxy A7 (2018) vs Samsung Galaxy A8 Star vs Samsung Galaxy On8 (2018) comparison

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ratings
Overall NDTV RatingRead ReviewRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.30-inch6.00-inch6.28-inch6.00-inch
Processorocta-core 2.2GHz octa-coreocta-coreocta-core
Front Camera24-megapixel 24-megapixel 24-megapixel 16-megapixel
Resolution1080x2220 pixels1080x2220 pixels1880x2220 pixels720x1480 pixels
RAM6GB4GB4GB4GB
OSAndroid 8.0 OreoAndroid 8.0Android 8.0Android 8.0
Storage128GB64GB64GB64GB
Rear Camera24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel 24-megapixel + 8-megapixel + 5-megapixel 16-megapixel + 24-megapixel 16-megapixel + 5-megapixel
Battery Capacity3800mAh3300mAh3700mAh3500mAh
general
Release dateOctober 2018September 2018June 2018August 2018
Form factorTouchscreen-TouchscreenTouchscreen
Dimensions (mm)162.50 x 77.00 x 7.80159.80 x 76.80 x 7.50162.40 x 77.00 x 7.50-
Weight (g)183.00168.00188.00-
Battery capacity (mAh)3800330037003500
Launched in India-YesYesYes
Removable battery-No--
Wireless charging-No--
Colours-Black, Blue, Gold, PinkBlack, WhiteBlack, Blue
display
Screen size (inches)6.306.006.286.00
TouchscreenYesYesYesYes
Resolution1080x2220 pixels1080x2220 pixels1880x2220 pixels720x1480 pixels
Aspect ratio-18.5:918.5:918.5:9
hardware
Processorocta-core (4x2.2GHz + 4x1.8GHz)2.2GHz octa-coreocta-coreocta-core
Processor makeQualcomm Snapdragon 660-Snapdragon 660Qualcomm Snapdragon 450
RAM6GB4GB4GB4GB
Internal storage128GB64GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512512256256
camera
Rear camera24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)16-megapixel (f/1.7) + 24-megapixel (f/1.7)16-megapixel (f/1.7) + 5-megapixel (f/1.9)
Rear autofocusYesYes--
Front camera24-megapixel (f/2.0)24-megapixel (f/2.0)24-megapixel (f/2.0)16-megapixel (f/1.9)
Rear flash-YesLEDLED
Front autofocus-No--
Front flash-Yes--
software
Operating systemAndroid 8.0 OreoAndroid 8.0Android 8.0Android 8.0
SkinSamsung Experience UX--Samsung Experience UX
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac-
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 5.00Yes
NFCYesNo--
USB Type-CYes-Yes-
Headphones3.5mm--3.5mm
FMNoYes-Yes
Number of SIMs2222
Active 4G on both SIM cards-Yes--
Micro-USB---Yes
sim 1
SIM TypeNano-SIMNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM + CDMAGSM
3GYes--Yes
4G/ LTEYes--Yes
sim 2
SIM TypeNano-SIMNano-SIM-Nano-SIM
3GYes--Yes
4G/ LTEYesYes-Yes
GSM/CDMA--GSM + CDMAGSM
sensors
Face unlockYesYesYes-
Fingerprint sensorYesYesYes-
Compass/ MagnetometerYesYes--
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesNo
GyroscopeYesYes--