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OPPO A6 5G vs Vivo X21 comparison

 Compare OPPO A6 5G
OPPO A6 5G
Compare Vivo X21
Vivo X21
key specs
Display6.57-inch6.28-inch
ProcessorMediaTek Dimensity 6300Qualcomm Snapdragon 660
Front Camera16-megapixel 12-megapixel
Rear Camera50-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM4GB, 6GB6GB
Storage128GB, 256GB128GB
Battery Capacity7,000mAh3200mAh
OSAndroid 15Android 8.1
Resolution2,372x1,080 pixels1080x2280 pixels
general
BrandOPPOVivo
ModelA6 5GX21
Release dateSeptember 30, 2025March 1, 2018
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)158.20 x 75.02 x 8.00154.50 x 74.80 x 7.40
Weight (g)185.00156.20
IP ratingIP69-
Battery capacity (mAh)7,0003200
Removable batteryNoNo
Fast charging80W Fast ChargingProprietary
ColoursBlue Ocean Light, Velvet Gray, and Fenmengshenghua (pink)Black, Gold
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.576.28
TouchscreenYesYes
Resolution2,372x1,080 pixels1080x2280 pixels
Pixels per inch (PPI)397-
Aspect ratio-19:9
hardware
Processor2.4GHz MHz octa-core2.2GHz octa-core
Processor makeMediaTek Dimensity 6300Qualcomm Snapdragon 660
RAM4GB, 6GB6GB
Internal storage128GB, 256GB128GB
Expandable storageYesYes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
No. of Rear Cameras2-
Rear flashYesLED
Front camera16-megapixel (f/2.4)12-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 15Android 8.1
SkinColorOS 15FunTouch 4.0
connectivity
NFCYesNo
Wi-Fi-Yes
Wi-Fi standards supported-802.11 a/b/g/n/ac
GPS-Yes
Bluetooth-Yes, v 5.00
Infrared-No
USB OTG-Yes
Micro-USB-Yes
Headphones-3.5mm
FM-No
Number of SIMs-2
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Fingerprint sensor-Yes
Gyroscope-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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