Oppo A3s vs Oppo F7 vs Oppo A71 comparison

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key specs
Display6.20-inch6.23-inch5.20-inch
ProcessorQualcomm Snapdragon 450MediaTek Helio P60 MediaTek MT6750
Front Camera8-megapixel 25-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 16-megapixel 13-megapixel
RAM2GB4GB3GB
Storage16GB64GB16GB
Battery Capacity4230mAh3400mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 7.1
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels
general
BrandOppoOppoOppo
ModelA3sF7A71
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20156.00 x 75.30 x 7.80148.10 x 73.80 x 7.60
Weight (g)168.00158.00137.00
Battery capacity (mAh)423034003000
ColoursRed, Dark PurpleDiamond Black, Moonlight Silver, Solar Red,Gold, Black
Release date-March 1, 2018September 1, 2017
Launched in India-YesYes
Removable battery-NoNo
SAR value-1.27-
display
Screen size (inches)6.206.235.20
TouchscreenYesYesYes
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels
Aspect ratio19:919:916:9
Protection type-Gorilla Glass-
Pixels per inch (PPI)-405282
hardware
Processor1.8GHz octa-coreocta-core (4x2GHz + 4x2GHz)octa-core (4x1.5GHz + 4x1GHz)
Processor makeQualcomm Snapdragon 450MediaTek Helio P60 (MT6771)MediaTek MT6750
RAM2GB4GB3GB
Internal storage16GB64GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel (f/1.8)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDLED
Front camera8-megapixel (f/2.2)25-megapixel (f/2.0)5-megapixel (f/2.4)
Front flash-No-
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 7.1
SkinColorOS 5.1ColorOS 5.0Color OS
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.00
Micro-USBYes-Yes
Headphones3.5mm3.5mm3.5mm
Wi-Fi DirectYesYesNo
Wi-Fi standards supported-802.11 b/g/n/ac802.11 b/g/n
NFC-NoNo
Infrared-NoNo
USB OTG-YesYes
FM-YesYes
Number of SIMs-22
Mobile High-Definition Link (MHL)--No
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Fingerprint sensor-Yes-
Ambient light sensor-YesYes
Gyroscope-YesNo
Barometer--No
Temperature sensor--No
ratings
Overall NDTV Rating-Read Review-
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
sim 1
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
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