Redmi K40S vs Xiaomi 12X comparison

Compare Redmi K40S
Compare Xiaomi 12X
key specs
Display6.67-inch6.28-inch
ProcessorQualcomm Snapdragon 870Qualcomm Snapdragon 870
Front Camera20-megapixel32-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel50-megapixel + 5-megapixel + 13-megapixel
RAM6GB, 8GB, 12GB8GB
Storage128GB, 256GB128GB
Battery Capacity4500mAh4,500mAh
OSAndroidAndroid
Resolution1080x2400 pixels1080x2400 pixels
general
BrandXiaomiXiaomi
ModelRedmi K40S12X
Release dateMarch 17, 2022December 28, 2021
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.20 x 75.95 x 7.70152.70 x 69.90 x 8.16
Weight (g)195.00176.00
Battery capacity (mAh)45004,500
Removable batteryNo-
Fast chargingQuick Charge 3.0Proprietary
ColoursAurora, Black, Green, Silver,-
Wireless charging-Yes
display
Screen size (inches)6.676.28
TouchscreenYesYes
Resolution1080x2400 pixels1080x2400 pixels
Aspect ratio20:920:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-419
hardware
Processorocta-core3.2GHz octa-core
Processor makeQualcomm Snapdragon 870Qualcomm Snapdragon 870
RAM6GB, 8GB, 12GB8GB
Internal storage128GB, 256GB128GB
Expandable storageNo-
camera
Rear camera48-megapixel (f/1.8) + 8-megapixel + 2-megapixel50-megapixel (f/1.88) + 5-megapixel + 13-megapixel (f/2.4)
No. of Rear Cameras33
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel32-megapixel
No. of Front Cameras11
Front autofocus-Yes
software
Operating systemAndroidAndroid
SkinMIUI 13MIUI 13
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.10
NFCYesYes
InfraredYes-
USB Type-CYesYes
Number of SIMs22
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Face unlock-Yes
Fingerprint sensor-Yes

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