Oppo A7 vs Oppo F9 vs Oppo A3s comparison

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ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
general
Release dateNovember 2018August 2018--
Launched in IndiaYesYes--
Form factorTouchscreenTouchscreenTouchscreen-
Body typePlastic---
Dimensions (mm)155.90 x 75.40 x 8.10156.70 x 74.00 x 7.90156.20 x 75.60 x 8.20-
Weight (g)168.00169.00168.00-
Battery capacity (mAh)423035004230-
Removable batteryNo---
ColoursGlaring Gold, Glaze BlueSunrise Red, Twilight Blue, Starry PurpleRed, Dark Purple-
SAR value1.37---
display
Screen size (inches)6.206.306.20-
TouchscreenYesYesYes-
Aspect ratio19.5:919.5:919:9-
Resolution-1080x2340 pixels720x1520 pixels-
hardware
Processor makeQualcomm Snapdragon 450MediaTek Helio P60Snapdragon 450-
RAM4GB4GB2GB-
Internal storage64GB64GB16GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256256256-
Dedicated microSD slotYes---
Processor-2GHz octa-core1.8GHz octa-core-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)-
Rear autofocusYes-Yes-
Rear flashYesYesLED-
Front camera16-megapixel16-megapixel8-megapixel (f/2.2)-
Front autofocusNo---
Front flashNo---
software
Operating systemAndroid 8.1Android OreoAndroid 8.1 Oreo-
SkinColorOS 5.2Color OS 5.2ColorOS 5.1-
connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n/ac--
GPSYesYesYes-
BluetoothYes, v 4.204.20Yes, v 4.20-
USB OTGYesYes--
Micro-USBYesYesYes-
Headphones3.5mm3.5mm3.5mm-
FMYes---
Number of SIMs22--
Active 4G on both SIM cardsYes---
sim 1
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
SIM Type-Nano-SIM--
sim 2
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
SIM Type-Nano-SIM--
sensors
Face unlockYes---
Fingerprint sensorYesYes--
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYes--
GyroscopeYes---