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Realme C21 vs Oppo A12 comparison

 Compare Realme C21
Realme C21
Compare Oppo A12
Oppo A12
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.50-inch6.22-inch
ProcessorMediaTek Helio G35MediaTek Helio P35
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM3GB, 4GB3GB
Storage32GB, 64GB32GB
Battery Capacity5000mAh4230mAh
OSAndroid 10Android 9
Resolution720x1600 pixels720x1520 pixels
general
BrandRealmeOppo
ModelC21A12
Release dateApril 8, 2021April 1, 2020
Launched in IndiaYesYes
Dimensions (mm)165.20 x 76.40 x 8.90155.90 x 75.50 x 8.30
Weight (g)190.00165.00
Battery capacity (mAh)50004230
ColoursCross Black, Cross BlueBlack, Blue
Form factor-Touchscreen
Body type-Polycarbonate
Removable battery-No
Wireless charging-No
display
Screen size (inches)6.506.22
TouchscreenYesYes
Resolution720x1600 pixels720x1520 pixels
Protection type-Gorilla Glass
hardware
Processorocta-coreocta-core
Processor makeMediaTek Helio G35MediaTek Helio P35 (MT6765)
RAM3GB, 4GB3GB
Internal storage32GB, 64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYesYes
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/2.2, 1.12um-micron) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)5-megapixel (f/2.4, 1.12um-micron)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Front autofocus-No
Front flash-No
software
Operating systemAndroid 10Android 9
SkinRealme UIColorOS 6.1.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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