Vivo Z3x vs Vivo X21 comparison

Compare Vivo Z3x
Compare Vivo X21
key specs
Display6.26-inch6.28-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 660
Front Camera16-megapixel 12-megapixel
Rear Camera13-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity3260mAh3200mAh
OSAndroid 9 PieAndroid 8.1
Resolution1080x2280 pixels1080x2280 pixels
general
BrandVivoVivo
ModelZ3xX21
Release dateApril 1, 2019March 1, 2018
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)154.81 x 75.03 x 7.89154.50 x 74.80 x 7.40
Weight (g)150.00156.20
Battery capacity (mAh)32603200
ColoursAurora, Hyun Red, Enamel BlackBlack, Gold
Removable battery-No
Fast charging-Proprietary
display
Screen size (inches)6.266.28
TouchscreenYesYes
Resolution1080x2280 pixels1080x2280 pixels
Aspect ratio19:919:9
hardware
Processorocta-core2.2GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 660
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera16-megapixel (f/2.0)12-megapixel (f/2.0)
software
Operating systemAndroid 9 PieAndroid 8.1
SkinFuntouch OS 9FunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.00
USB OTGYesYes
Micro-USBYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
Infrared-No
FM-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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