Oppo K12s vs Oppo A3x 4G comparison 354v6b

Compare Oppo K12s
Compare Oppo A3x 4G
key specs
Display 6.67-inch 6.67-inch
Processor Qualcomm Snapdragon 6 Gen 4 Qualcomm Snapdragon 6s Gen 1
Front Camera 16-megapixel 5-megapixel
Rear Camera 50-megapixel + 2-megapixel 8-megapixel
RAM 8GB 4GB
Storage 256GB 64GB, 128GB
Battery Capacity 7000mAh 5100mAh
OS Android 15 Android 14
Resolution 1080x2400 pixels 720x1604 pixels
general
Brand Oppo Oppo
Model K12s A3x 4G
Release date April 22, 2025 October 25, 2024
AI Enabled Yes -
Form factor Touchscreen Touchscreen
Dimensions (mm) 163.21 x 76.13 x 8.45 165.77 x 76.80 x 7.68
Weight (g) 208.00 186.00
IP rating IP65 -
Battery capacity (mAh) 7000 5100
Fast charging 80W Fast Charging 45W Fast Charging
Colours Rose Purple, Prism Black, Star White Nebula Red, Ocean Blue
Launched in India - Yes
Removable battery - No
Wireless charging - No
display
Resolution Standard FHD+ HD+
Screen size (inches) 6.67 6.67
Touchscreen Yes Yes
Resolution 1080x2400 pixels 720x1604 pixels
Refresh Rate - 90 Hz
Protection type - Other
hardware
Processor octa-core octa-core
Processor make Qualcomm Snapdragon 6 Gen 4 Qualcomm Snapdragon 6s Gen 1
RAM 8GB 4GB
Internal storage 256GB 64GB, 128GB
Expandable storage - Yes
Expandable storage type - microSD
camera
Rear camera 50-megapixel (f/1.85) + 2-megapixel 8-megapixel (f/2.0)
No. of Rear Cameras 2 2
Front camera 16-megapixel (f/2.4) 5-megapixel (f/2.2)
No. of Front Cameras 1 1
software
Operating system Android 15 Android 14
Skin ColorOS 15 ColorOS 14
connectivity
Wi-Fi Yes Yes
Wi-Fi standards ed 802.11 a/b/g/n/ac 802.11 a/b/g/n/ac
GPS Yes Yes
Bluetooth Yes Yes, v 5.00
USB Type-C Yes Yes
Number of SIMs 2 2
Active 4G on both SIM cards Yes Yes
USB OTG - Yes
Headphones - 3.5mm
sim 2
SIM Type Nano-SIM Nano-SIM
4G/ LTE Yes Yes
5G Yes -
GSM/CDMA - GSM
3G - Yes
sensors
In-Display Fingerprint Sensor Yes -
Com/ Magnetometer Yes Yes
Proximity sensor Yes Yes
Accelerometer Yes Yes
Ambient light sensor Yes Yes
Gyroscope Yes -
Fingerprint sensor - Yes
sim 1
SIM Type - Nano-SIM
GSM/CDMA - GSM
3G - Yes
4G/ LTE - Yes

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