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Redmi K90 Max vs Vivo Y31 5G comparison

 Compare Redmi K90 Max
Redmi K90 Max
Compare Vivo Y31 5G
Vivo Y31 5G
key specs
Display6.83-inch6.68-inch
Front Camera20-megapixel8-megapixel
Rear Camera50-megapixel + 8-megapixel50-megapixel + 0.08-megapixel
RAM12GB4GB, 6GB
Storage256GB128GB
Battery Capacity8550mAh6,500mAh
OSAndroidAndroid 15
Processor-Qualcomm Snapdragon 4 Gen 2
Resolution-1,608x720 pixels
general
BrandXiaomiVivo
ModelRedmi K90 MaxY31 5G
Release dateApril 21, 2026September 15, 2025
Launched in IndiaNoYes
Dimensions (mm)162.91 x 77.00 x 8.18166.14 x 77.01 x 8.39
Weight (g)227.00209.00
Battery capacity (mAh)85506,500
Fast charging100W Fast Charging44W Flash Charge
ColoursSpace Silver, Shadow Black and Sky BlueRose Red and Diamond Green
Form factor-Touchscreen
Body type-Plastic
IP rating-IP68
Removable battery-No
Wireless charging-No
display
Refresh Rate165 Hz120 Hz
Resolution Standard1.5K-
Screen size (inches)6.836.68
Touchscreen-Yes
Resolution-1,608x720 pixels
Pixels per inch (PPI)-264
hardware
Processor makeMediaTek Dimensity 9500Qualcomm Snapdragon 4 Gen 2
RAM12GB4GB, 6GB
Internal storage256GB128GB
Processor-2.2GHz MHz octa-core
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-2TB
camera
Rear camera50-megapixel + 8-megapixel50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)
No. of Rear Cameras22
Front camera20-megapixel8-megapixel (f/f/2.0)
No. of Front Cameras11
Rear flash-Yes
Pop-Up Camera-No
software
Operating systemAndroidAndroid 15
SkinHyperOS 3Funtouch OS 15
connectivity
Wi-Fi-Yes
GPS-Yes
Bluetooth-Yes, v 4.20
NFC-No
USB Type-C-Yes
Number of SIMs-2
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
sensors
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
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