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Oppo A3x 4G vs Samsung Galaxy J7 comparison

 Compare Oppo A3x 4G
Oppo A3x 4G
Compare Samsung Galaxy J7
Samsung Galaxy J7
key specs
Display6.67-inch5.50-inch
ProcessorQualcomm Snapdragon 6s Gen 1Samsung Exynos 7 Octa 7580
Front Camera5-megapixel 5-megapixel
Rear Camera8-megapixel 13-megapixel
RAM4GB1.5GB
Storage64GB, 128GB16GB
Battery Capacity5100mAh3000mAh
OSAndroid 14Android 5.1
Resolution720x1604 pixels720x1280 pixels
general
BrandOppoSamsung
ModelA3x 4GGalaxy J7
Release dateOctober 25, 2024June 1, 2015
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68152.40 x 78.60 x 7.50
Weight (g)186.00171.00
Battery capacity (mAh)51003000
Removable batteryNoYes
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursNebula Red, Ocean BlueBlack, White, Gold
Body type-Plastic
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.675.50
TouchscreenYesYes
Resolution720x1604 pixels720x1280 pixels
Protection typeOther-
Aspect ratio-16:9
hardware
Processorocta-core1.5GHz octa-core
Processor makeQualcomm Snapdragon 6s Gen 1Samsung Exynos 7 Octa 7580
RAM4GB1.5GB
Internal storage64GB, 128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-128
camera
Rear camera8-megapixel (f/2.0)13-megapixel (f/1.9)
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)5-megapixel (f/2.2)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-LED
Front flash-LED
software
Operating systemAndroid 14Android 5.1
SkinColorOS 14TouchWiz UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
USB OTGYesYes
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
Micro-USB-Yes
FM-Yes
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No
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