Lava Agni 4 vs Vivo Y31 5G comparison

Compare Lava Agni 4
Compare Vivo Y31 5G
key specs
Display6.67-inch6.68-inch
ProcessorMediaTek Dimensity 8350Qualcomm Snapdragon 4 Gen 2
Front Camera50-megapixel8-megapixel
Rear Camera50-megapixel + 8-megapixel50-megapixel + 0.08-megapixel
RAM8GB4GB, 6GB
Storage256GB128GB
Battery Capacity5000mAh6,500mAh
OSAndroid 15Android 15
Resolution-1,608x720 pixels
general
BrandLavaVivo
ModelAgni 4Y31 5G
Release dateNovember 20, 2025September 15, 2025
AI EnabledYes-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typeMetalPlastic
IP ratingIP64IP68
Battery capacity (mAh)50006,500
Removable batteryNoNo
Fast charging66W Fast Charging44W Flash Charge
Wireless chargingNoNo
ColoursPhantom Black, Lunar MistRose Red and Diamond Green
Brand Exclusive FeaturesVayu AI-
Dimensions (mm)-166.14 x 77.01 x 8.39
Weight (g)-209.00
display
Refresh Rate120 Hz120 Hz
Screen size (inches)6.676.68
TouchscreenYesYes
Protection typeGorilla Glass-
Pixels per inch (PPI)446264
Resolution-1,608x720 pixels
hardware
Processor3.35GHz octa-core2.2GHz MHz octa-core
Processor makeMediaTek Dimensity 8350Qualcomm Snapdragon 4 Gen 2
RAM8GB4GB, 6GB
Internal storage256GB128GB
Dedicated microSD slotNo-
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-2TB
camera
Rear camera50-megapixel (f/1.88) + 8-megapixel50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0)
No. of Rear Cameras22
Front camera50-megapixel8-megapixel (f/f/2.0)
No. of Front Cameras11
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Rear flash-Yes
Pop-Up Camera-No
software
Operating systemAndroid 15Android 15
Skin-Funtouch OS 15
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 ax-
GPSYesYes
BluetoothYes, v 5.40Yes, v 4.20
USB Type-CYesYes
Active 4G on both SIM cardsYes-
NFC-No
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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