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Redmi A7 4G vs Samsung Galaxy J4 comparison

 Compare Redmi A7 4G
Redmi A7 4G
Compare Samsung Galaxy J4
Samsung Galaxy J4
key specs
Display6.88-inch5.50-inch
ProcessorUnisoc T7250Samsung Exynos 7570
Front Camera8-megapixel5-megapixel
Rear Camera13-megapixel13-megapixel
RAM4GB2GB
Storage64GB16GB
Battery Capacity5200mAh3000mAh
OSAndroid 16Android 8.0
Resolution720x1640 pixels720x1280 pixels
general
BrandRedmiSamsung
ModelA7 4GGalaxy J4
Release dateApril 21, 2026May 1, 2018
AI EnabledNo-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 79.77 x 8.26151.70 x 77.20 x 8.10
Weight (g)193.00175.00
IP ratingIP52-
Battery capacity (mAh)52003000
Removable batteryNoYes
Fast charging15W Fast Charging-
Wireless chargingNo-
ColoursBlack, Sky BlueBlack, Orchid Gray, Gold
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.885.50
TouchscreenYesYes
Resolution720x1640 pixels720x1280 pixels
Aspect ratio-16:9
hardware
Processor1.8GHz octa-core1.4GHz quad-core
Processor makeUnisoc T7250Samsung Exynos 7570
RAM4GB2GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)2048256
Dedicated microSD slotYes-
camera
Rear camera13-megapixel13-megapixel (f/1.9)
No. of Rear Cameras1-
Front camera8-megapixel5-megapixel (f/2.2)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-LED
Front flash-LED
software
Operating systemAndroid 16Android 8.0
SkinHyperOS 3-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.20Yes, 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
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMMicro-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYes-
AccelerometerYesYes
Ambient light sensorYes-
Proximity sensor-Yes
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