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Redmi A7 4G vs Oppo F21s Pro comparison

 Compare Redmi A7 4G
Redmi A7 4G
Compare Oppo F21s Pro
Oppo F21s Pro
key specs
Display6.88-inch6.43-inch
ProcessorUnisoc T7250Qualcomm Snapdragon 680
Front Camera8-megapixel16-megapixel
Rear Camera13-megapixel64-megapixel + 2-megapixel + 2-megapixel
RAM4GB8GB
Storage64GB128GB
Battery Capacity5200mAh4500mAh
OSAndroid 16Android 12
Resolution720x1640 pixels1080x2400 pixels
general
BrandRedmiOppo
ModelA7 4GF21s Pro
Release dateApril 21, 2026September 15, 2022
AI EnabledNo-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)171.79 x 79.77 x 8.26159.90 x 73.20 x 7.60
Weight (g)193.00181.00
IP ratingIP52-
Battery capacity (mAh)52004500
Removable batteryNo-
Fast charging15W Fast ChargingSuper VOOC
Wireless chargingNo-
ColoursBlack, Sky BlueDawnlight Gold, Starlight Black
display
Refresh Rate120 Hz60 Hz
Resolution StandardHD+FHD+
Screen size (inches)6.886.43
TouchscreenYesYes
Resolution720x1640 pixels1080x2400 pixels
Aspect ratio-20:9
hardware
Processor1.8GHz octa-coreocta-core
Processor makeUnisoc T7250Qualcomm Snapdragon 680
RAM4GB8GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)2048-
Dedicated microSD slotYes-
camera
Rear camera13-megapixel64-megapixel (f/1.7) + 2-megapixel (f/3.3) + 2-megapixel (f/2.4)
No. of Rear Cameras13
Front camera8-megapixel16-megapixel (f/2.4)
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 16Android 12
SkinHyperOS 3ColorOS 12.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.10
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes
In-Display Fingerprint Sensor-Yes
Proximity sensor-Yes
Gyroscope-Yes
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