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Vivo Y21T vs Redmi 8A Dual comparison

 Compare Vivo Y21T
Vivo Y21T
Compare Redmi 8A Dual
Redmi 8A Dual
key specs
Display6.58-inch6.22-inch
ProcessorQualcomm Snapdragon 680Qualcomm Snapdragon 439
Front Camera8-megapixel 8-megapixel
Rear Camera50-megapixel + 2-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM4GB2GB
Storage128GB32GB
Battery Capacity5000mAh5000mAh
OSAndroid 11Android 9.0
Resolution1080x2408 pixels720x1520 pixels
general
BrandVivoXiaomi
ModelY21TRedmi 8A Dual
Release dateJanuary 1, 2022February 11, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)164.26 x 76.08 x 8.00156.48 x 75.41 x 9.40
Weight (g)182.00188.00
Battery capacity (mAh)50005000
Fast chargingProprietaryProprietary
ColoursMidnight Blue, Pearl WhiteSky White, Sea Blue, Midnight Grey
display
Refresh Rate90 Hz-
Screen size (inches)6.586.22
TouchscreenYesYes
Resolution1080x2408 pixels720x1520 pixels
Protection type-Gorilla Glass
Aspect ratio-19:9
hardware
Processorocta-core1.45GHz octa-core (4x1.95GHz + 4x1.45GHz)
Processor makeQualcomm Snapdragon 680Qualcomm Snapdragon 439
RAM4GB2GB
Internal storage128GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1000512
Dedicated microSD slotYesYes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel (f/1.8)8-megapixel (f/2.0, 1.12-micron)
No. of Front Cameras1-
software
Operating systemAndroid 11Android 9.0
SkinFunTouch OS 12MIUI 11
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
USB OTGYes-
USB Type-CYesYes
Headphones3.5mm3.5mm
FMYes-
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes

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