Vivo X21 vs Vivo V9 vs Vivo V7+ vs Sony Xperia XA1 Ultra comparison

Compare Vivo X21
Compare Vivo V9
Compare Vivo V7+
Compare Sony Xperia XA1 Ultra
ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.28-inch6.30-inch5.99-inch6.00-inch
Processor2.2GHz octa-core2.2GHz octa-core1.8GHz octa-coreocta-core
Front Camera12-megapixel 24-megapixel 24-megapixel16-megapixel
Resolution1080x2280 pixels1080x2280 pixels720x1440 pixels1080x1920 pixels
RAM6GB4GB4GB4GB
OSAndroid 8.1Android 8.1Android 7.1Android 7.0
Storage128GB64GB64GB64GB
Rear Camera12-megapixel + 5-megapixel 16-megapixel + 5-megapixel16-megapixel23-megapixel
Battery Capacity3200mAh3260mAh3225mAh2700mAh
general
Release dateMarch 2018March 2018September 2017February 2017
Launched in IndiaYesYes--
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40154.80 x 75.00 x 7.90155.87 x 75.74 x 7.70165.00 x 79.00 x 8.10
Weight (g)156.20150.00160.00-
Battery capacity (mAh)3200326032252700
Removable batteryNoNoNoNo
Fast chargingProprietary---
ColoursBlack, GoldPearl Black, GoldGold, Matte Black, Rose Gold-
SAR value-1.381.18-
display
Screen size (inches)6.286.305.996.00
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2280 pixels720x1440 pixels1080x1920 pixels
Aspect ratio19:919:9--
hardware
Processor2.2GHz octa-core2.2GHz octa-core1.8GHz octa-coreocta-core
Processor makeQualcomm Snapdragon 660Snapdragon 626Qualcomm Snapdragon 450MediaTek Helio P20
RAM6GB4GB4GB4GB
Internal storage128GB64GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256256
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)16-megapixel (f/2.0) + 5-megapixel16-megapixel23-megapixel
Rear autofocusPhase detection autofocusPhase detection autofocus--
Rear flashLEDDual LEDDual LEDYes
Front camera12-megapixel (f/2.0)24-megapixel (f/2.0)24-megapixel16-megapixel
Front flash--YesYes
software
Operating systemAndroid 8.1Android 8.1Android 7.1Android 7.0
SkinFunTouch 4.0FunTouch OS 4.0Funtouch OS 3.2-
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 b/g/n802.11 ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20Yes, v 4.20
NFCNo-NoYes
InfraredNo-NoNo
USB OTGYesYesYesNo
Micro-USBYesYes--
Headphones3.5mm3.5mm3.5mm3.5mm
FMNoYesYesNo
Number of SIMs2222
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM-
3GYesYesYesNo
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM-
3GYesYesYesNo
4G/ LTEYesYesYesYes
sensors
Fingerprint sensorYesYes--
Compass/ MagnetometerYesYesNoNo
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesNo
Face unlock-Yes--
Barometer--NoNo
Temperature sensor--NoNo