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Vivo Y31 5G vs Redmi K40 Gaming Edition comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Redmi K40 Gaming Edition
Redmi K40 Gaming Edition
key specs
Display6.68-inch6.67-inch
ProcessorQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1200
Front Camera8-megapixel 16-megapixel
Rear Camera50-megapixel + 0.08-megapixel 64-megapixel + 8-megapixel + 2-megapixel
RAM4GB, 6GB6GB
Storage128GB128GB
Battery Capacity6,500mAh5065mAh
OSAndroid 15Android 11
Resolution1,608x720 pixels1080x2400 pixels
general
BrandVivoXiaomi
ModelY31 5GRedmi K40 Gaming Edition
Release dateSeptember 15, 2025April 27, 2021
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39-
Weight (g)209.00205.00
IP ratingIP68-
Battery capacity (mAh)6,5005065
Removable batteryNo-
Fast charging44W Flash ChargeProprietary
Wireless chargingNo-
ColoursRose Red and Diamond GreenBlack, Sliver, White
Thickness-8.3
display
Refresh Rate120 Hz-
Screen size (inches)6.686.67
TouchscreenYesYes
Resolution1,608x720 pixels1080x2400 pixels
Pixels per inch (PPI)264-
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1200
RAM4GB, 6GB6GB
Internal storage128GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)2TB-
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)64-megapixel (f/1.65) + 8-megapixel + 2-megapixel
No. of Rear Cameras23
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)16-megapixel
No. of Front Cameras11
Pop-Up CameraNoNo
Rear autofocus-Yes
software
Operating systemAndroid 15Android 11
SkinFuntouch OS 15MIUI 12.5
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.10
NFCNoYes
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYesYes
3G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
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