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Oppo A3x 4G vs Samsung Galaxy J7 Prime 2 comparison

 Compare Oppo A3x 4G
Oppo A3x 4G
Compare Samsung Galaxy J7 Prime 2
Samsung Galaxy J7 Prime 2
key specs
Display6.67-inch5.50-inch
ProcessorQualcomm Snapdragon 6s Gen 1Samsung Exynos 7 Octa 7870
Front Camera5-megapixel 13-megapixel
Rear Camera8-megapixel 13-megapixel
RAM4GB3GB
Storage64GB, 128GB32GB
Battery Capacity5100mAh3300mAh
OSAndroid 14Android 7.0
Resolution720x1604 pixels1080x1920 pixels
general
BrandOppoSamsung
ModelA3x 4GGalaxy J7 Prime 2
Release dateOctober 25, 2024March 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68151.70 x 75.00 x 8.00
Weight (g)186.00170.00
Battery capacity (mAh)51003300
Removable batteryNo-
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursNebula Red, Ocean BlueBlack
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.675.50
TouchscreenYesYes
Resolution720x1604 pixels1080x1920 pixels
Protection typeOther-
Aspect ratio-16:9
Pixels per inch (PPI)-401
hardware
Processorocta-core1.6GHz octa-core
Processor makeQualcomm Snapdragon 6s Gen 1Samsung Exynos 7 Octa 7870
RAM4GB3GB
Internal storage64GB, 128GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-256
camera
Rear camera8-megapixel (f/2.0)13-megapixel (f/1.9)
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)13-megapixel (f/1.9)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-LED
software
Operating systemAndroid 14Android 7.0
SkinColorOS 14-
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 OTGYes-
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
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