Samsung Galaxy A9 (2018) vs Poco F1 vs Xiaomi Mi A2 vs Samsung Galaxy S9 comparison

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ratings
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Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.30-inch6.18-inch5.99-inch5.80-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 845Qualcomm Snapdragon 660Samsung Exynos 9810
Front Camera24-megapixel 20-megapixel20-megapixel 8-megapixel
Rear Camera24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel 12-megapixel + 5-megapixel 12-megapixel + 20-megapixel 12-megapixel
RAM6GB6GB4GB4GB
Storage128GB64GB64GB64GB
Battery Capacity3800mAh4000mAh3000mAh3000mAh
OSAndroid 8.0 OreoAndroid 8.1Android 8.1 OreoAndroid 8.0
Resolution1080x2220 pixels1080x2246 pixels1080x2160 pixels1440x2960 pixels
general
BrandSamsungPocoXiaomiSamsung
ModelGalaxy A9 (2018)F1Mi A2Galaxy S9
Release dateOctober 1, 2018August 1, 2018July 1, 2018March 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)162.50 x 77.00 x 7.80155.50 x 75.20 x 8.80158.70 x 75.40 x 7.30147.70 x 68.70 x 8.50
Weight (g)183.00182.00168.00163.00
Battery capacity (mAh)3800400030003000
Launched in India-YesYesYes
Fast charging-Quick Charge 3.0-Quick Charge 2.0
Colours-Blue, GreyBlack, Gold, Lake Blue, Rose GoldLilac Purple, Midnight Black, Coral Blue
Removable battery--NoNo
Wireless charging---Yes
display
Screen size (inches)6.306.185.995.80
TouchscreenYesYesYesYes
Resolution1080x2220 pixels1080x2246 pixels1080x2160 pixels1440x2960 pixels
Protection type-Gorilla Glass-Gorilla Glass
Aspect ratio-18.7:918:918.5:9
Pixels per inch (PPI)--403568
hardware
Processorocta-core (4x2.2GHz + 4x1.8GHz)2.8GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)octa-core (4x2.7GHz + 4x1.7GHz)
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 845Qualcomm Snapdragon 660Samsung Exynos 9810
RAM6GB6GB4GB4GB
Internal storage128GB64GB64GB64GB
Expandable storageYesYesNoYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512256-400
Dedicated microSD slot-No--
camera
Rear camera24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0)12-megapixel (f/1.9, 1.4-micron) + 5-megapixel (f/2.0, 1.12-micron)12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel (1.4-micron)
Rear autofocusYes-Phase detection autofocusPhase detection autofocus
Front camera24-megapixel (f/2.0)20-megapixel20-megapixel (f/2.2, 1.0-micron)8-megapixel (f/1.7, 1.22-micron)
Rear flash-YesDual LEDLED
Front flash--LEDNo
Front autofocus---Yes
software
Operating systemAndroid 8.0 OreoAndroid 8.1Android 8.1 OreoAndroid 8.0
SkinSamsung Experience UXMIUI for Poco-Experience 9.0
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 5.00Yes, v 5.00
NFCYes-YesYes
USB Type-CYesYes-Yes
Headphones3.5mm3.5mmNo3.5mm
FMNoYes-No
Number of SIMs2222
Infrared-Yes--
USB OTG--YesYes
Wi-Fi Direct--YesYes
sim 1
SIM TypeNano-SIMMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
3GYesYesYesYes
4G/ LTEYesYesYesYes
GSM/CDMA-GSMGSMGSM
sensors
Face unlockYesYes-Yes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYes-YesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYes-YesYes
Barometer---Yes

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