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Redmi K90 vs Vivo Y31 5G comparison

 Compare Redmi K90
Redmi K90
Compare Vivo Y31 5G
Vivo Y31 5G
key specs
Display6.59-inch6.68-inch
ProcessorSnapdragon 8 EliteQualcomm Snapdragon 4 Gen 2
Front Camera20-megapixel8-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel 50-megapixel + 0.08-megapixel
RAM16GB4GB, 6GB
Storage1TB128GB
Battery Capacity7,100mAh6,500mAh
OSAndroid 16Android 15
Resolution1,156x2,510 pixels1,608x720 pixels
general
BrandRedmiVivo
ModelK90Y31 5G
Release dateOctober 23, 2025September 15, 2025
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)157.49 x 75.25 x 8.00166.14 x 77.01 x 8.39
Weight (g)206.00209.00
IP ratingIP68IP68
Battery capacity (mAh)7,1006,500
Removable batteryNoNo
Fast charging100W Fast Charging44W Flash Charge
ColoursWhite, Black, Aqua Blue, and Light PurpleRose Red and Diamond Green
Body type-Plastic
Wireless charging-No
display
Refresh Rate120 Hz120 Hz
Screen size (inches)6.596.68
TouchscreenYesYes
Resolution1,156x2,510 pixels1,608x720 pixels
Pixels per inch (PPI)-264
hardware
Processorocta-core2.2GHz MHz octa-core
Processor makeSnapdragon 8 EliteQualcomm Snapdragon 4 Gen 2
RAM16GB4GB, 6GB
Internal storage1TB128GB
Expandable storageNoYes
Expandable storage type-microSD
Expandable storage up to (GB)-2TB
camera
Rear camera50-megapixel (f/1.88) + 50-megapixel (f/2.2) + 8-megapixel (f/2.2)50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)
No. of Rear Cameras32
Front camera20-megapixel8-megapixel (f/f/2.0)
No. of Front Cameras11
Pop-Up CameraNoNo
Front flashYes-
Rear flash-Yes
software
Operating systemAndroid 16Android 15
SkinHyperOS 3Funtouch OS 15
connectivity
Wi-Fi 7Yes-
GPSYesYes
BluetoothYes, v 5.40Yes, v 4.20
NFCYesNo
USB Type-CYesYes
Wi-Fi-Yes
Number of SIMs-2
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Fingerprint sensor-Yes
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
4G/ LTE-Yes
5G-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
4G/ LTE-Yes
5G-Yes
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