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Oppo A3x 4G vs Oppo K7x comparison

 Compare Oppo A3x 4G
Oppo A3x 4G
Compare Oppo K7x
Oppo K7x
key specs
Display6.67-inch6.50-inch
ProcessorQualcomm Snapdragon 6s Gen 1MediaTek Dimensity 720
Front Camera5-megapixel 16-megapixel
Rear Camera8-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity5100mAh5000mAh
OSAndroid 14Android 10
Resolution720x1604 pixels1080x2400 pixels
general
BrandOppoOppo
ModelA3x 4GK7x
Release dateOctober 25, 2024November 4, 2020
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68162.20 x 75.10 x 9.10
Weight (g)186.00194.00
Battery capacity (mAh)51005000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursNebula Red, Ocean BlueBlack Mirror, Blue Shadow
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.50
TouchscreenYesYes
Resolution720x1604 pixels1080x2400 pixels
Protection typeOtherGorilla Glass
Pixels per inch (PPI)-405
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 6s Gen 1MediaTek Dimensity 720
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesNo
Expandable storage typemicroSD-
camera
Rear camera8-megapixel (f/2.0)48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)16-megapixel (f/2.0)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Pop-Up Camera-No
software
Operating systemAndroid 14Android 10
SkinColorOS 14ColorOS 7.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYesYes
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Micro-USB-No
Lightning-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
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