Redmi K40 vs Redmi Note 9 comparison

Compare Redmi K40
Compare Redmi Note 9
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.67-inch6.53-inch
ProcessorQualcomm Snapdragon 870MediaTek Helio G85
Front Camera20-megapixel13-megapixel
Rear Camera48-Ultrapixel + 8-megapixel + 5-megapixel48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM6GB4GB
Storage128GB64GB
Battery Capacity4520mAh5020mAh
OSAndroid 11Android 10
Resolution1080x2400 pixels1080x2340 pixels
general
BrandXiaomiXiaomi
ModelRedmi K40Redmi Note 9
Release date25th February 202130th April 2020
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.70 x 76.40 x 7.80162.30 x 77.20 x 8.90
Weight (g)196.00199.00
Battery capacity (mAh)45205020
Fast chargingProprietaryProprietary
ColoursDreamland, Glossy Black, Icy WhiteAqua Green, Arctic White, Pebble Grey, Scarlet Red
display
Screen size (inches)6.676.53
TouchscreenYesYes
Resolution1080x2400 pixels1080x2340 pixels
Aspect ratio20:919.5:9
hardware
Processorocta-core1.8GHz octa-core (6x1.8GHz + 2x2GHz)
Processor makeQualcomm Snapdragon 870MediaTek Helio G85
RAM6GB4GB
Internal storage128GB64GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-512
Dedicated microSD slot-Yes
camera
Rear camera48-Ultrapixel (f/1.79) + 8-megapixel + 5-megapixel48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel13-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 10
SkinMIUI 12MIUI 11
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/Yes802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.10Yes, v 5.00
NFCYesYes
InfraredYesYes
USB Type-CYesYes
Number of SIMs22
Headphones-3.5mm
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
GyroscopeYesYes
Face unlock-Yes
Fingerprint sensor-Yes
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