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Redmi K40 vs Redmi 9i comparison

 Compare Redmi K40
Redmi K40
Compare Redmi 9i
Redmi 9i
key specs
Display6.67-inch6.53-inch
ProcessorQualcomm Snapdragon 870MediaTek Helio G25
Front Camera20-megapixel5-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel
RAM6GB, 8GB, 12GB4GB
Storage128GB, 256GB64GB
Battery Capacity4520mAh5000mAh
OSAndroid 11Android 10
Resolution1080x2400 pixels720x1600 pixels
general
BrandXiaomiXiaomi
ModelRedmi K40Redmi 9i
Release dateFebruary 25, 2021September 15, 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.70 x 76.40 x 7.80164.90 x 77.07 x 9.00
Weight (g)196.00194.00
Battery capacity (mAh)45205000
Fast chargingProprietaryProprietary
ColoursDreamland, Glossy Black, Icy WhiteMidnight Black, Sea Blue, Nature Green
Removable battery-No
display
Screen size (inches)6.676.53
TouchscreenYesYes
Resolution1080x2400 pixels720x1600 pixels
Aspect ratio20:920:9
hardware
Processorocta-core1.5GHz octa-core (4x1.5GHz + 4x2GHz)
Processor makeQualcomm Snapdragon 870MediaTek Helio G25
RAM6GB, 8GB, 12GB4GB
Internal storage128GB, 256GB64GB
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, 1.0-micron)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel5-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 10
SkinMIUI 12MIUI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.10Yes, v 5.00
NFCYes-
InfraredYes-
USB Type-CYes-
Number of SIMs22
Micro-USB-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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