Samsung Galaxy A21 vs Samsung Galaxy J7 (2017) comparison

Compare Samsung Galaxy A21
Compare Samsung Galaxy J7 (2017)
key specs
Display6.50-inch5.50-inch
Front Camera13-megapixel13-megapixel
Rear Camera16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel13-megapixel
RAM3GB3GB
Storage32GB16GB
Battery Capacity4000mAh3600mAh
OSAndroid 10Android 7.0
Processor-Exynos 7870
Resolution-1080x1920 pixels
general
BrandSamsungSamsung
ModelGalaxy A21Galaxy J7 (2017)
Release date8th April 2020June 2017
Form factorTouchscreenTouchscreen
Battery capacity (mAh)40003600
Removable batteryNoYes
Fast chargingProprietary-
Wireless chargingNo-
ColoursBlackBlack, Gold
Dimensions (mm)-146.30 x 71.30 x 7.90
display
Screen size (inches)6.505.50
TouchscreenYesYes
Resolution-1080x1920 pixels
Aspect ratio-16:9
hardware
Processor makeMediaTek Helio P35 (MT6765)Exynos 7870
RAM3GB3GB
Internal storage32GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
Processor-1.6GHz octa-core
camera
Rear camera16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel13-megapixel (f/1.7)
Rear autofocusYes-
Rear flashYesLED
Front camera13-megapixel13-megapixel (f/1.9)
Pop-Up CameraNo-
Front flash-LED
software
Operating systemAndroid 10Android 7.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.10
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
USB OTG-No
Micro-USB-Yes
FM-Yes
Number of SIMs-2
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ Magnetometer-No
Proximity sensor-Yes
Accelerometer-No
Ambient light sensor-No
Gyroscope-No
Barometer-No
Temperature sensor-No
sim 1
GSM/CDMA-GSM
3G-No
4G/ LTE-Yes
sim 2
GSM/CDMA-GSM
3G-No
4G/ LTE-Yes

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