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Oppo A3x 4G vs Oppo K9 comparison

 Compare Oppo A3x 4G
Oppo A3x 4G
Compare Oppo K9s
Oppo K9s
key specs
Display6.67-inch6.59-inch
ProcessorQualcomm Snapdragon 6s Gen 1-
Front Camera5-megapixel 16-megapixel
Rear Camera8-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM4GB6GB, 8GB
Storage64GB, 128GB128GB, 256GB
Battery Capacity5100mAh4880mAh
OSAndroid 14Android 11
Resolution720x1604 pixels1080x2412 pixels
general
BrandOppoOppo
ModelA3x 4GK9s
Release dateOctober 25, 2024October 20, 2021
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68164.43 x 75.88 x 8.52
Weight (g)186.00199.00
Battery capacity (mAh)51004880
Removable batteryNo-
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursNebula Red, Ocean BlueMagic Purple Quicksand, Neon Silver Sea, and Obsidian Warrior (translated)
display
Refresh Rate90 Hz120 Hz
Resolution StandardHD+-
Screen size (inches)6.676.59
TouchscreenYesYes
Resolution720x1604 pixels1080x2412 pixels
Protection typeOther-
Pixels per inch (PPI)-401
hardware
Processorocta-core-
Processor makeQualcomm Snapdragon 6s Gen 1Qualcomm Snapdragon 778G
RAM4GB6GB, 8GB
Internal storage64GB, 128GB128GB, 256GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
camera
Rear camera8-megapixel (f/2.0)64-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Front camera5-megapixel (f/2.2)16-megapixel (f/2.0)
No. of Front Cameras11
software
Operating systemAndroid 14Android 11
SkinColorOS 14ColorOS 11.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.20
USB OTGYesYes
USB Type-CYesYes
Headphones3.5mm-
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
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