Vivo Y31 5G vs Xiaomi Redmi K20 comparison

Compare Vivo Y31 5G
Compare Xiaomi Redmi K20
key specs
Display6.68-inch6.39-inch
ProcessorQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 730
Front Camera8-megapixel 20-megapixel
Rear Camera50-megapixel + 0.08-megapixel 48-megapixel + 8-megapixel + 13-megapixel
RAM4GB, 6GB6GB
Storage128GB64GB
Battery Capacity6,500mAh4000mAh
OSAndroid 15Android Pie
Resolution1,608x720 pixels1080x2340 pixels
general
BrandVivoXiaomi
ModelY31 5GRedmi K20
Release dateSeptember 15, 2025May 28, 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 batteryNo-
Fast charging44W Flash ChargeProprietary
Wireless chargingNo-
ColoursRose Red and Diamond GreenCarbon Black, Glacier Blue, Flame Red
display
Refresh Rate120 Hz-
Screen size (inches)6.686.39
TouchscreenYesYes
Resolution1,608x720 pixels1080x2340 pixels
Pixels per inch (PPI)264403
Protection type-Gorilla Glass
Aspect ratio-19.5:9
hardware
Processor2.2GHz MHz octa-core1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Processor makeQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 730
RAM4GB, 6GB6GB
Internal storage128GB64GB
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) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
No. of Rear Cameras2-
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)20-megapixel (f/2.2, 0.8-micron)
No. of Front Cameras1-
Pop-Up CameraNoYes
Rear autofocus-Yes
Front flash-No
software
Operating systemAndroid 15Android Pie
SkinFuntouch OS 15MIUI 10
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
NFCNoNo
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
Infrared-Yes
Headphones-3.5mm
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
Face unlock-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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