Vivo X21s vs Vivo Z3i vs Vivo X23 comparison

Compare Vivo X21s
Compare Vivo Z3i
Compare Vivo X23
key specs
Display6.41-inch6.30-inch6.41-inch
ProcessorQualcomm Snapdragon 660MediaTek Helio P60 Qualcomm Snapdragon 670
Front Camera24.8-megapixel24-megapixel12-megapixel
Rear Camera12-megapixel + 5-megapixel16-megapixel + 2-megapixel12-megapixel + 13-megapixel
RAM6GB6GB8GB
Storage128GB128GB128GB
Battery Capacity3400mAh3315mAh3400mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1 Oreo
Resolution1080x2340 pixels1080x2280 pixels1080x2340 pixels
general
BrandVivoVivoVivo
ModelX21sZ3iX23
Release dateNovember 1, 2018October 1, 2018September 1, 2018
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.91 x 75.08 x 7.90155.97 x 75.63 x 8.10157.68 x 74.06 x 7.47
Weight (g)156.00163.70160.50
Battery capacity (mAh)340033153400
ColoursStarry Night BlackAurora Blue and Millennium PowderFashion Orange, Fashion Purple, Midnight Blue, Phantom Purple, Phantom Red
Launched in India-YesNo
Body type--Glass
display
Screen size (inches)6.416.306.41
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2280 pixels1080x2340 pixels
Aspect ratio19.5:919:9-
hardware
Processorocta-core2.2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek Helio P60 (MT6771)Qualcomm Snapdragon 670
RAM6GB6GB8GB
Internal storage128GB128GB128GB
Expandable storageYesYes-
Expandable storage typemicroSDmicroSD-
Expandable storage up to (GB)256256-
Dedicated microSD slot-Yes-
camera
Rear camera12-megapixel + 5-megapixel16-megapixel + 2-megapixel12-megapixel (f/1.8) + 13-megapixel (f/2.4)
Rear autofocusYes--
Front camera24.8-megapixel24-megapixel12-megapixel (f/2.0)
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1 Oreo
Skin-Funtouch OSFuntouch OS 4.5
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYesYes, v 5.00Yes, v 4.00
Micro-USBYes--
Headphones3.5mm--
Number of SIMs222
Wi-Fi standards supported-802.11 ac-
USB OTG-YesYes
USB Type-C-No-
sim 1
GSM/CDMAGSMCDMAGSM
3GYesYes-
4G/ LTEYesYesYes
sim 2
GSM/CDMAGSMCDMAGSM
3GYes--
4G/ LTEYes-Yes
sensors
Face unlockYesYesYes
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-Yes
GyroscopeYesYes-

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