Vivo V21 5G vs Cat S31 comparison

Compare Vivo V21 5G
Compare Cat S31
key specs
Display6.44-inch4.70-inch
ProcessorMediaTek Dimensity 800UQualcomm Snapdragon 210
Front Camera44-megapixel 2-megapixel
Rear Camera64-megapixel + 8-megapixel + 2-megapixel 8-megapixel
RAM8GB2GB
Storage128GB16GB
Battery Capacity4000mAh4000mAh
OSAndroid 11Android 7.1
Resolution1080x2404 pixels720x1280 pixels
general
BrandVivoCat
ModelV21 5GS31
Release dateApril 27, 2021September 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)159.68 x 73.90 x 7.29146.00 x 74.42 x 12.60
Weight (g)176.00200.00
Battery capacity (mAh)40004000
Fast chargingProprietary-
ColoursArctic White, Dusk Blue, Sunset Dazzle-
Removable battery-No
display
Screen size (inches)6.444.70
TouchscreenYesYes
Resolution1080x2404 pixels720x1280 pixels
Aspect ratio20:9-
hardware
Processorocta-corequad-core
Processor makeMediaTek Dimensity 800UQualcomm Snapdragon 210
RAM8GB2GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000128
Dedicated microSD slotYes-
camera
Rear camera64-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front camera44-megapixel (f/2.0)2-megapixel
No. of Front Cameras1-
Front flashYesNo
software
Operating systemAndroid 11Android 7.1
SkinFuntouch OS 11.1-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.10Yes, v 4.10
USB OTGYesNo
USB Type-CYes-
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYesNo
4G/ LTEYesNo
sensors
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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