Vivo X23 vs Vivo X21i vs Vivo X21 UD comparison

Compare Vivo X23
Compare Vivo X21i
Compare Vivo X21 UD
key specs
Display6.41-inch6.28-inch6.28-inch
ProcessorQualcomm Snapdragon 670MediaTek Helio P60 Qualcomm Snapdragon 660
Front Camera12-megapixel 24-megapixel12-megapixel
Rear Camera12-megapixel + 13-megapixel 12-megapixel12-megapixel
RAM8GB4GB6GB
Storage128GB64GB128GB
Battery Capacity3400mAh3245mAh3200mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.1
Resolution1080x2340 pixels1080x2280 pixels1080x2280 pixels
general
BrandVivoVivoVivo
ModelX23X21iX21 UD
Release dateSeptember 1, 2018May 1, 2018March 1, 2018
Launched in IndiaNo--
Form factorTouchscreenTouchscreenTouchscreen
Body typeGlass--
Dimensions (mm)157.68 x 74.06 x 7.47154.37 x 74.98 x 6.99154.50 x 74.80 x 7.40
Weight (g)160.50159.00156.20
Battery capacity (mAh)340032453200
ColoursFashion Orange, Fashion Purple, Midnight Blue, Phantom Purple, Phantom RedAurora White, Polar Night, Ruby RedRuby Red, Aurora White, Black
display
Screen size (inches)6.416.286.28
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2280 pixels1080x2280 pixels
hardware
Processor2GHz octa-core2GHz octa-coreocta-core
Processor makeQualcomm Snapdragon 670MediaTek Helio P60 (MT6771)Qualcomm Snapdragon 660
RAM8GB4GB6GB
Internal storage128GB64GB128GB
Expandable storage-Yes-
Expandable storage type-microSD-
Expandable storage up to (GB)-256-
camera
Rear camera12-megapixel (f/1.8) + 13-megapixel (f/2.4)12-megapixel12-megapixel
Front camera12-megapixel (f/2.0)24-megapixel12-megapixel
Rear flash-Dual LEDLED
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.1
SkinFuntouch OS 4.5Funtouch OS 4FunTouch 4.0
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.00YesYes, v 5.00
USB OTGYesYesYes
Number of SIMs222
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n/ac
FM-Yes-
Headphones--3.5mm
sim 1
GSM/CDMAGSMGSMGSM
4G/ LTEYesYesYes
SIM Type-Nano-SIMMicro-SIM
3G-YesYes
sim 2
GSM/CDMAGSMGSMGSM
4G/ LTEYesYesYes
SIM Type-Nano-SIMMicro-SIM
3G-YesYes
sensors
Face unlockYes--
Fingerprint sensorYes--
Compass/ MagnetometerYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYes-
Ambient light sensorYesYesYes
Gyroscope-YesYes

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