Oppo A3s vs Realme 1 vs Xiaomi Mi A2 comparison

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key specs
Display6.20-inch6.00-inch5.99-inch
ProcessorQualcomm Snapdragon 450MediaTek Helio P60 Qualcomm Snapdragon 660
Front Camera8-megapixel 8-megapixel 20-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel 12-megapixel + 20-megapixel
RAM2GB6GB4GB
Storage16GB128GB64GB
Battery Capacity4230mAh3410mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
Resolution720x1520 pixels1080x2160 pixels1080x2160 pixels
general
BrandOppoRealmeXiaomi
ModelA3s1Mi A2
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20156.00 x 75.20 x 7.80158.70 x 75.40 x 7.30
Weight (g)168.00155.00168.00
Battery capacity (mAh)423034103000
ColoursRed, Dark PurpleDiamond Black, Moonlight Silver, Solar RedBlack, Gold, Lake Blue, Rose Gold
Release date-May 1, 2018July 1, 2018
Launched in India-YesYes
Removable battery--No
display
Screen size (inches)6.206.005.99
TouchscreenYesYesYes
Resolution720x1520 pixels1080x2160 pixels1080x2160 pixels
Aspect ratio19:918:918:9
Pixels per inch (PPI)-402403
hardware
Processor1.8GHz octa-coreocta-core (4x2GHz + 4x2GHz)octa-core (4x2.2GHz + 4x1.8GHz)
Processor makeQualcomm Snapdragon 450MediaTek Helio P60 (MT6771)Qualcomm Snapdragon 660
RAM2GB6GB4GB
Internal storage16GB128GB64GB
Expandable storageYesYesNo
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDDual LED
Front camera8-megapixel (f/2.2)8-megapixel (f/2.2)20-megapixel (f/2.2, 1.0-micron)
Front flash-NoLED
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
SkinColorOS 5.1ColorOS 5.0-
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00
Micro-USBYesYes-
Headphones3.5mm3.5mmNo
Wi-Fi DirectYes-Yes
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n/ac
USB OTG-YesYes
FM-Yes-
Number of SIMs-22
NFC--Yes
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensor-YesYes
Gyroscope-YesYes
Fingerprint sensor--Yes
ratings
Overall NDTV Rating-Read ReviewRead 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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