Poco X3 vs Vivo X21 UD comparison

Compare Poco X3
Compare Vivo X21 UD
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.67-inch6.28-inch
ProcessorQualcomm Snapdragon 732GQualcomm Snapdragon 660
Front Camera20-megapixel 12-megapixel
Rear Camera64-megapixel + 13-megapixel + 2-megapixel + 2-megapixel 12-megapixel
RAM6GB6GB
Storage64GB128GB
Battery Capacity6000mAh3200mAh
OSAndroid 10Android 8.1
Resolution1080x2340 pixels1080x2280 pixels
general
BrandPocoVivo
ModelX3X21 UD
Release dateSeptember 22, 2020March 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)165.30 x 76.80 x 9.40154.50 x 74.80 x 7.40
Weight (g)215.00156.20
Battery capacity (mAh)60003200
Fast chargingProprietary-
ColoursCobalt Blue, Shadow GreyRuby Red, Aurora White, Black
display
Screen size (inches)6.676.28
TouchscreenYesYes
Resolution1080x2340 pixels1080x2280 pixels
Protection typeGorilla Glass-
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 732GQualcomm Snapdragon 660
RAM6GB6GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
camera
Rear camera64-megapixel (f/1.73) + 13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)12-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera20-megapixel (f/2.2)12-megapixel
Pop-Up CameraNo-
software
Operating systemAndroid 10Android 8.1
SkinMIUI 12FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.00
NFCYes-
InfraredYes-
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
USB OTG-Yes
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes
Compass/ Magnetometer-Yes
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