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Redmi K40 vs Redmi 8A Du comparison

 Compare Redmi K40
Redmi K40
Compare Redmi 8A Dual
Redmi 8A Dual
key specs
Display6.67-inch6.22-inch
ProcessorQualcomm Snapdragon 870Qualcomm Snapdragon 439
Front Camera20-megapixel8-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel + 2-megapixel
RAM6GB, 8GB, 12GB2GB
Storage128GB, 256GB32GB
Battery Capacity4520mAh5000mAh
OSAndroid 11Android 9.0
Resolution1080x2400 pixels720x1520 pixels
general
BrandXiaomiXiaomi
ModelRedmi K40Redmi 8A Dual
Release dateFebruary 25, 2021February 11, 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.70 x 76.40 x 7.80156.48 x 75.41 x 9.40
Weight (g)196.00188.00
Battery capacity (mAh)45205000
Fast chargingProprietaryProprietary
ColoursDreamland, Glossy Black, Icy WhiteSky White, Sea Blue, Midnight Grey
display
Screen size (inches)6.676.22
TouchscreenYesYes
Resolution1080x2400 pixels720x1520 pixels
Aspect ratio20:919:9
Protection type-Gorilla Glass
hardware
Processorocta-core1.45GHz octa-core (4x1.95GHz + 4x1.45GHz)
Processor makeQualcomm Snapdragon 870Qualcomm Snapdragon 439
RAM6GB, 8GB, 12GB2GB
Internal storage128GB, 256GB32GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
Dedicated microSD slot-Yes
camera
Rear camera48-megapixel (f/1.79) + 8-megapixel + 5-megapixel13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel8-megapixel (f/2.0, 1.12-micron)
No. of Front Cameras1-
software
Operating systemAndroid 11Android 9.0
SkinMIUI 12MIUI 11
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.10Yes, v 4.20
NFCYes-
InfraredYes-
USB Type-CYesYes
Number of SIMs22
Headphones-3.5mm
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Face unlock-Yes

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