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Samsung Galaxy A21s vs Oppo A71 (3GB RAM, 16GB) comparison

 Compare Samsung Galaxy A21s
Samsung Galaxy A21s (4GB RAM, 64GB)
Compare Oppo A71 (3GB RAM, 16GB)
Oppo A71 (3GB RAM, 16GB)
key specs
Display6.50-inch5.20-inch
ProcessorSamsung Exynos 850MediaTek MT6750
Front Camera13-megapixel 5-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel 13-megapixel
RAM4GB3GB
Storage64GB16GB
Battery Capacity5000mAh3000mAh
OSAndroid 10Android 7.1
Resolution720x1600 pixels720x1280 pixels
general
BrandSamsungOppo
ModelGalaxy A21sA71
Release dateMay 15, 2020September 1, 2017
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.60 x 75.30 x 8.90148.10 x 73.80 x 7.60
Weight (g)191.00137.00
Battery capacity (mAh)50003000
Removable batteryNoNo
Fast chargingProprietary-
ColoursWhite, Black, BlueBlack, Blue, Gold, White
display
Screen size (inches)6.505.20
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio-16:9
Pixels per inch (PPI)-282
hardware
Processor2GHz octa-coreocta-core (4x1.5GHz + 4x1GHz)
Processor makeSamsung Exynos 850MediaTek MT6750
RAM4GB3GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
Dedicated microSD slotYes-
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.0) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
Rear flashYesLED
Front camera13-megapixel (f/2.2)5-megapixel (f/2.4)
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 10Android 7.1
SkinOne UIColor OS
connectivity
Wi-FiYesYes
BluetoothYes, v 5.00Yes, v 4.00
NFCYesNo
Headphones3.5mm3.5mm
Wi-Fi standards supported-802.11 b/g/n
GPS-Yes
Infrared-No
USB OTG-Yes
Micro-USB-Yes
FM-Yes
Number of SIMs-2
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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