Oppo A3x 4G vs Samsung Galaxy J7 Max comparison

Compare Oppo A3x 4G
Compare Samsung Galaxy J7 Max
key specs
Display6.67-inch5.70-inch
ProcessorQualcomm Snapdragon 6s Gen 1MediaTek Helio P20
Front Camera5-megapixel 13-megapixel
Rear Camera8-megapixel 13-megapixel
RAM4GB4GB
Storage64GB32GB
Battery Capacity5100mAh3300mAh
OSAndroid 14Android 7.0
Resolution720x1604 pixels1080x1920 pixels
general
BrandOppoSamsung
ModelA3x 4GGalaxy J7 Max
Release dateOctober 25, 2024June 1, 2017
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68156.70 x 78.80 x 8.10
Weight (g)186.00179.00
Battery capacity (mAh)51003300
Removable batteryNoNo
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursNebula Red, Ocean BlueBlack, Gold
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.675.70
TouchscreenYesYes
Resolution720x1604 pixels1080x1920 pixels
Protection typeOther-
Aspect ratio-16:9
Pixels per inch (PPI)-386
hardware
Processorocta-core1.69GHz octa-core
Processor makeQualcomm Snapdragon 6s Gen 1MediaTek Helio P20 (MT6757)
RAM4GB4GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-256
camera
Rear camera8-megapixel (f/2.0)13-megapixel (f/1.7)
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
Front flash-LED
software
Operating systemAndroid 14Android 7.0
SkinColorOS 14-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes
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-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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