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Vivo Y31 5G vs Redmi K30 Ultra comparison

 Compare Vivo Y31 5G
Vivo Y31 5G
Compare Redmi K30 Ultra
Redmi K30 Ultra
key specs
Display6.68-inch6.67-inch
ProcessorQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1000+
Front Camera8-megapixel 20-megapixel
Rear Camera50-megapixel + 0.08-megapixel 64-megapixel + 13-megapixel + 5-megapixel + 2-megapixel
RAM4GB, 6GB6GB
Storage128GB128GB
Battery Capacity6,500mAh4500mAh
OSAndroid 15Android 10
Resolution1,608x720 pixels1080x2400 pixels
general
BrandVivoXiaomi
ModelY31 5GRedmi K30 Ultra
Release dateSeptember 15, 2025August 11, 2020
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39163.30 x 75.40 x 9.10
Weight (g)209.00213.00
IP ratingIP68-
Battery capacity (mAh)6,5004500
Removable batteryNo-
Fast charging44W Flash Charge-
Wireless chargingNo-
ColoursRose Red and Diamond GreenMoonlight White, Midnight Black, Mint Green
display
Refresh Rate120 Hz-
Screen size (inches)6.686.67
TouchscreenYesYes
Resolution1,608x720 pixels1080x2400 pixels
Pixels per inch (PPI)264-
Aspect ratio-20:9
hardware
Processor2.2GHz MHz octa-coreocta-core
Processor makeQualcomm Snapdragon 4 Gen 2MediaTek Dimensity 1000+
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 (1.6-micron) + 13-megapixel + 5-megapixel + 2-megapixel
No. of Rear Cameras2-
Rear flashYesYes
Front camera8-megapixel (f/f/2.0)20-megapixel
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Yes
software
Operating systemAndroid 15Android 10
SkinFuntouch OS 15MIUI
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/b/g/n/ac/ax
Infrared-Yes
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 sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNo-
Temperature sensorNo-
Face unlock-Yes
In-Display Fingerprint Sensor-Yes
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