Vivo X21 vs Blu Vivo X vs Vivo X20 Plus UD comparison

Compare Vivo X21
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Compare Vivo X20 Plus 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
Display6.28-inch6.00-inch6.43-inch
ProcessorQualcomm Snapdragon 660MediaTek Helio P25 Qualcomm Snapdragon 660
Front Camera12-megapixel 20-megapixel12-megapixel
Rear Camera12-megapixel + 5-megapixel 13-megapixel12-megapixel
RAM6GB4GB4GB
Storage128GB64GB128GB
Battery Capacity3200mAh4010mAh3905mAh
OSAndroid 8.1Android 7.0Android 7.1
Resolution1080x2280 pixels720x1440 pixels1080x2160 pixels
general
BrandVivoBluVivo
ModelX21Vivo XX20 Plus UD
Release dateMarch 1, 2018February 1, 2018January 1, 2018
Launched in IndiaYes--
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40160.00 x 76.80 x 8.20165.20 x 80.09 x 7.35
Weight (g)156.20188.00181.50
Battery capacity (mAh)320040103905
Removable batteryNoNoNo
Fast chargingProprietary--
ColoursBlack, Gold-Black
display
Screen size (inches)6.286.006.43
TouchscreenYesYesYes
Resolution1080x2280 pixels720x1440 pixels1080x2160 pixels
Aspect ratio19:9--
Pixels per inch (PPI)-268-
hardware
Processor2.2GHz octa-core2.6GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek Helio P25 (MT6757CD)Qualcomm Snapdragon 660
RAM6GB4GB4GB
Internal storage128GB64GB128GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128256
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)13-megapixel12-megapixel
Rear autofocusPhase detection autofocus--
Rear flashLEDLEDYes
Front camera12-megapixel (f/2.0)20-megapixel12-megapixel
Front flash-LED-
software
Operating systemAndroid 8.1Android 7.0Android 7.1
SkinFunTouch 4.0-FunTouch OS
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n-
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.00Yes, v 5.00
NFCNoNoNo
InfraredNo-No
USB OTGYes-Yes
Micro-USBYes--
Headphones3.5mm-3.5mm
FMNo-No
Number of SIMs222
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sensors
Fingerprint sensorYes--
Compass/ MagnetometerYes-Yes
Proximity sensorYes-Yes
AccelerometerYes-Yes
Ambient light sensorYes-Yes
GyroscopeYes-Yes
Barometer--No
Temperature sensor--No
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