OPPO A6x 5G vs Samsung Galaxy M21 comparison

Compare OPPO A6x 5G
Compare Samsung Galaxy M21
key specs
Display6.75-inch6.40-inch
ProcessorMediaTek Dimensity 6300Samsung Exynos 9611
Front Camera5-megapixel 20-megapixel
Rear Camera13-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM4GB, 6GB4GB
Storage64GB, 128GB64GB
Battery Capacity6,500mAh6000mAh
OSAndroid 15Android 10
Resolution720x1,570 pixels2340x1080 pixels
general
BrandOPPOSamsung
ModelA6x 5GGalaxy M21
Release dateDecember 2, 2025March 18, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)166.60 x 78.50 x 8.60-
Weight (g)212.00188.00
Battery capacity (mAh)6,5006000
Removable batteryNoNo
Fast charging45W Fast ChargingProprietary
Wireless chargingNoNo
ColoursIce Blue and Olive GreenMidnight Blue, Raven Black
Thickness-8.9
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.756.40
TouchscreenYesYes
Resolution720x1,570 pixels2340x1080 pixels
Pixels per inch (PPI)256-
Protection type-Gorilla Glass
Aspect ratio-19.5:9
hardware
Processorocta-core1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)
Processor makeMediaTek Dimensity 6300Samsung Exynos 9611
RAM4GB, 6GB4GB
Internal storage64GB, 128GB64GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
camera
Rear camera13-megapixel (f/2.2)48-megapixel + 8-megapixel + 5-megapixel
Rear flashYesYes
Front camera5-megapixel (f/2.2)20-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
Front flash-No
software
Operating systemAndroid 15Android 10
SkinColorOS 15One UI 2.0
connectivity
Wi-FiYesYes
BluetoothYes, v 5.40Yes
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g
GPS-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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