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Vivo Y31 5G vs Xiaomi Redmi K20 Pro Premium Edition comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Xiaomi Redmi K20 Pro Premium Edition
Xiaomi Redmi K20 Pro Premium Edition
key specs
Display6.68-inch6.39-inch
ProcessorQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 855
Front Camera8-megapixel 20-megapixel
Rear Camera50-megapixel + 0.08-megapixel 48-megapixel + 13-megapixel + 8-megapixel
RAM4GB, 6GB8GB
Storage128GB256GB
Battery Capacity6,500mAh4000mAh
OSAndroid 15Android 9
Resolution1,608x720 pixels1080x2340 pixels
general
BrandVivoXiaomi
ModelY31 5GRedmi K20 Pro Premium Edition
Release dateSeptember 15, 2025September 19, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlasticGlass
Dimensions (mm)166.14 x 77.01 x 8.39156.70 x 74.30 x 8.80
Weight (g)209.00191.00
IP ratingIP68-
Battery capacity (mAh)6,5004000
Removable batteryNoNo
Fast charging44W Flash ChargeQuick Charge 4.0
Wireless chargingNo-
ColoursRose Red and Diamond GreenCarbon Black, Flame Red, Glacier Blue, White Honey, Cool Black Mech Edition
display
Refresh Rate120 Hz-
Screen size (inches)6.686.39
TouchscreenYes-
Resolution1,608x720 pixels1080x2340 pixels
Pixels per inch (PPI)264403
Protection type-Gorilla Glass
Aspect ratio-19:9
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 855
RAM4GB, 6GB8GB
Internal storage128GB256GB
Expandable storageYesNo
Expandable storage typemicroSD-
Expandable storage up to (GB)2TB-
Dedicated microSD slot-No
camera
Rear camera50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)48-megapixel (f/1.75, 1.6-micron) + 13-megapixel (f/2.4, 1.12-micron) + 8-megapixel (f/2.4, 1.12-micron)
No. of Rear Cameras2-
Rear flashYesLED
Front camera8-megapixel (f/f/2.0)20-megapixel (f/2.2, 0.8-micron)
No. of Front Cameras1-
Pop-Up CameraNoYes
Rear autofocus-PDAF and laser autofocus
software
Operating systemAndroid 15Android 9
SkinFuntouch OS 15MIUI 10
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
NFCNo-
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 ac
Headphones-3.5mm
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNoYes
Temperature sensorNoYes
Face unlock-Yes
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