Samsung W21 5G vs Samsung Galaxy J4 comparison

Compare Samsung W21 5G
Compare Samsung Galaxy J4
key specs
Display (Primary)7.60-inch-
ProcessorQualcomm Snapdragon 865+Samsung Exynos 7570
Front Camera10-megapixel + 10-megapixel 5-megapixel
Rear Camera12-megapixel + 12-megapixel + 12-megapixel 13-megapixel
RAM12GB2GB
Storage512GB16GB
Battery Capacity4500mAh3000mAh
OSAndroid 10Android 8.0
Resolution1768x2208 pixels720x1280 pixels
Display-5.50-inch
general
BrandSamsungSamsung
ModelW21 5GGalaxy J4
Release dateNovember 4, 2020May 1, 2018
Launched in IndiaNoYes
Form factorFoldableTouchscreen
Battery capacity (mAh)45003000
Fast chargingProprietary-
Wireless chargingYes-
ColoursGoldBlack, Orchid Gray, Gold
Dimensions (mm)-151.70 x 77.20 x 8.10
Weight (g)-175.00
Removable battery-Yes
display
Screen size (inches)7.605.50
TouchscreenYesYes
Resolution1768x2208 pixels720x1280 pixels
Aspect ratio-16:9
second display
Screen size (inches)6.20-
TouchscreenYes-
Resolution816x2260 pixels-
hardware
Processorocta-core (1x3.09GHz + 3x2.4GHz + 4x1.8GHz)1.4GHz quad-core
Processor makeQualcomm Snapdragon 865+Samsung Exynos 7570
RAM12GB2GB
Internal storage512GB16GB
Expandable storageNoYes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.12-micron) + 12-megapixel (f/2.4)13-megapixel (f/1.9)
Rear autofocusYesYes
Rear flashYesLED
Front camera10-megapixel (f/2.2, 1.22-micron) + 10-megapixel (f/2.2, 1.22-micron)5-megapixel (f/2.2)
Front flash-LED
software
Operating systemAndroid 10Android 8.0
SkinOne UI 2.5-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
USB Type-CYes-
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-Yes
FM-Yes
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
GyroscopeYes-
BarometerYes-

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