Vivo V15 vs Vivo X21 UD comparison

Compare Vivo V15
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
Display6.53-inch6.28-inch
ProcessorMediaTek Helio P70Qualcomm Snapdragon 660
Front Camera32-megapixel 12-megapixel
Rear Camera12-megapixel + 8-megapixel + 5-megapixel 12-megapixel
RAM6GB6GB
Storage64GB128GB
Battery Capacity4000mAh3200mAh
OSAndroid 9.0 PieAndroid 8.1
Resolution1080x2340 pixels1080x2280 pixels
general
BrandVivoVivo
ModelV15X21 UD
Release dateFebruary 1, 2019March 1, 2018
Form factorTouchscreenTouchscreen
Dimensions (mm)161.97 x 75.93 x 8.54154.50 x 74.80 x 7.40
Weight (g)189.50156.20
Battery capacity (mAh)40003200
Fast chargingProprietary-
Colours-Ruby Red, Aurora White, Black
display
Screen size (inches)6.536.28
TouchscreenYesYes
Resolution1080x2340 pixels1080x2280 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:9-
hardware
Processor2.1GHz octa-coreocta-core
Processor makeMediaTek Helio P70Qualcomm Snapdragon 660
RAM6GB6GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)256-
camera
Rear camera12-megapixel (f/1.78) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4)12-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera32-megapixel (f/2.0)12-megapixel
Pop-Up CameraYes-
software
Operating systemAndroid 9.0 PieAndroid 8.1
SkinFuntouch OS 9FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
USB OTGYesYes
Micro-USBYes-
Headphones3.5mm3.5mm
FMYes-
Number of SIMs22
Wi-Fi DirectYes-
Wi-Fi standards supported-802.11 a/b/g/n/ac
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes
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