Vivo Y31 5G vs Mi 8 comparison

Compare Vivo Y31 5G
Compare Mi 8
key specs
Display6.68-inch6.21-inch
ProcessorQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 845
Front Camera8-megapixel 20-megapixel
Rear Camera50-megapixel + 0.08-megapixel 12-megapixel + 12-megapixel
RAM4GB, 6GB6GB
Storage128GB64GB
Battery Capacity6,500mAh3400mAh
OSAndroid 15Android Oreo
Resolution1,608x720 pixels1080x2248 pixels
general
BrandVivoXiaomi
ModelY31 5GMi 8
Release dateSeptember 15, 2025May 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)166.14 x 77.01 x 8.39154.90 x 74.80 x 7.60
Weight (g)209.00175.00
IP ratingIP68-
Battery capacity (mAh)6,5003400
Removable batteryNo-
Fast charging44W Flash Charge-
Wireless chargingNo-
ColoursRose Red and Diamond GreenWhite, Gold, Light Blue, Black
display
Refresh Rate120 Hz-
Screen size (inches)6.686.21
TouchscreenYesYes
Resolution1,608x720 pixels1080x2248 pixels
Pixels per inch (PPI)264402
Aspect ratio-18.7:9
hardware
Processor2.2GHz MHz octa-coreocta-core (4x2.8GHz + 4x1.8GHz)
Processor makeQualcomm Snapdragon 4 Gen 2Qualcomm Snapdragon 845
RAM4GB, 6GB6GB
Internal storage128GB64GB
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)12-megapixel (f/1.8, 1.4-micron) + 12-megapixel (f/2.4, 1.0-micron)
No. of Rear Cameras2-
Rear flashYesDual LED
Front camera8-megapixel (f/f/2.0)20-megapixel (f/2.0, 0.9-micron)
No. of Front Cameras1-
Pop-Up CameraNo-
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 15Android Oreo
SkinFuntouch OS 15MIUI 10
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
NFCNoYes
USB Type-CYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
USB OTG-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
BarometerNoYes
Temperature sensorNo-
Face unlock-Yes

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