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Redmi Note 9S vs Redmi 8A Dual (3GB RAM, 32GB) comparison

 Compare Redmi Note 9S
Redmi Note 9S (4GB RAM, 64GB)
Compare Redmi 8A Dual (3GB RAM, 32GB)
Redmi 8A Dual (3GB RAM, 32GB)
key specs
Display6.67-inch6.22-inch
ProcessorQualcomm Snapdragon 720GQualcomm Snapdragon 439
Front Camera16-megapixel8-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 2-megapixel13-megapixel + 2-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity5020mAh5000mAh
OSAndroid 10Android 9.0
Resolution1080x2400 pixels720x1520 pixels
general
BrandXiaomiXiaomi
ModelRedmi Note 9SRedmi 8A Dual
Release dateMarch 23, 2020February 11, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.60 x 8.80156.48 x 75.41 x 9.40
Weight (g)209.00188.00
Battery capacity (mAh)50205000
Fast chargingProprietaryProprietary
ColoursAurora Blue, Glacier White, Interstellar GreyMidnight Grey, Sea Blue, Sky Blue, Sky White
display
Screen size (inches)6.676.22
TouchscreenYesYes
Resolution1080x2400 pixels720x1520 pixels
Protection typeGorilla GlassGorilla Glass
Aspect ratio20:919:9
hardware
Processor2.3GHz octa-core1.45GHz octa-core (4x1.95GHz + 4x1.45GHz)
Processor makeQualcomm Snapdragon 720GQualcomm Snapdragon 439
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512512
Dedicated microSD slotYesYes
camera
Rear camera48-megapixel (f/1.79) + 8-megapixel + 5-megapixel + 2-megapixel13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)
Rear autofocusPhase detection autofocusYes
Front camera16-megapixel8-megapixel (f/2.0, 1.12-micron)
Rear flash-Yes
software
Operating systemAndroid 10Android 9.0
SkinMIUI 11MIUI 11
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi DirectYesYes
Active 4G on both SIM cardsYesYes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYesYes
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-

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