Redmi 12 vs Oppo Reno 3A comparison

Compare Redmi 12
Compare Oppo Reno 3A
key specs
Display6.79-inch6.44-inch
ProcessorMediaTek Helio G88-
Front Camera8-megapixel 16-megapixel
Rear Camera50-megapixel + 8-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM4GB, 6GB, 12GB6GB
Storage128GB128GB
Battery Capacity5000mAh4025mAh
OSAndroid 13Android
Resolution1080x2460 pixels-
general
BrandXiaomiOppo
ModelRedmi 12Reno 3A
Release dateJuly 16, 2023June 1, 2020
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)168.60 x 76.28 x 8.17161.00 x 74.00 x 8.20
Weight (g)198.00175.00
Battery capacity (mAh)50004025
Removable batteryNoNo
Fast chargingProprietary-
Wireless chargingNo-
ColoursJade Black, Moonstone Silver Pastel Blue-
display
Refresh Rate90 Hz-
Resolution StandardFHD+-
Screen size (inches)6.796.44
TouchscreenYesYes
Resolution1080x2460 pixels-
Pixels per inch (PPI)396-
hardware
Processorocta-core-
Processor makeMediaTek Helio G88Qualcomm Snapdragon 665
RAM4GB, 6GB, 12GB6GB
Internal storage128GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000-
Dedicated microSD slotNoYes
camera
Rear camera50-megapixel (f/f/1.8) + 8-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)48-megapixel (f/1.7) + 8-megapixel (f/2.25) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Front camera8-megapixel (f/f/2.1)16-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
software
Operating systemAndroid 13Android
SkinMIUI 14ColorOS 7.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n-
GPSYesYes
BluetoothYes, v 5.30Yes
NFCYes-
USB OTGYes-
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs1-
Active 4G on both SIM cardsYes-
FM-Yes
sim 1
SIM TypeNano-SIM-
3GYes-
4G/ LTEYes-
sensors
Face unlockYes-
Fingerprint sensorYesYes
AccelerometerYesYes
Proximity sensor-Yes
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