Vivo X21 UD vs Vivo V9 Youth vs Vivo V9 vs Vivo X20 Plus UD comparison

Compare Vivo X21 UD
Compare Vivo V9 Youth
Compare Vivo V9
Compare Vivo X20 Plus UD
key specs
Display6.28-inch6.30-inch6.30-inch6.43-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 450Qualcomm Snapdragon 626Qualcomm Snapdragon 660
Front Camera12-megapixel16-megapixel 24-megapixel 12-megapixel
Rear Camera12-megapixel16-megapixel + 2-megapixel16-megapixel + 5-megapixel12-megapixel
RAM6GB4GB4GB4GB
Storage128GB32GB64GB128GB
Battery Capacity3200mAh3260mAh3260mAh3905mAh
OSAndroid 8.1Android 8.1Android 8.1Android 7.1
Resolution1080x2280 pixels1080x2280 pixels1080x2280 pixels1080x2160 pixels
general
BrandVivoVivoVivoVivo
ModelX21 UDV9 YouthV9X20 Plus UD
Release dateMarch 1, 2018April 1, 2018March 1, 2018January 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40154.80 x 75.10 x 7.90154.80 x 75.00 x 7.90165.20 x 80.09 x 7.35
Weight (g)156.20150.00150.00181.50
Battery capacity (mAh)3200326032603905
ColoursRuby Red, Aurora White, BlackBlack, GoldPearl Black, GoldBlack
Launched in India-YesYes-
Body type-Plastic--
Removable battery--NoNo
SAR value--1.38-
display
Screen size (inches)6.286.306.306.43
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1080x2280 pixels1080x2160 pixels
Protection type-Gorilla Glass--
Aspect ratio-19:919:9-
Pixels per inch (PPI)-400--
hardware
Processorocta-core1.8GHz octa-core2.2GHz octa-core1.8GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 450Qualcomm Snapdragon 626Qualcomm Snapdragon 660
RAM6GB4GB4GB4GB
Internal storage128GB32GB64GB128GB
Expandable storage-YesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-256256256
camera
Rear camera12-megapixel16-megapixel + 2-megapixel16-megapixel (f/2.0) + 5-megapixel12-megapixel
Rear flashLEDYesDual LEDYes
Front camera12-megapixel16-megapixel (f/2.0)24-megapixel (f/2.0)12-megapixel
Rear autofocus-Phase detection autofocusPhase detection autofocus-
software
Operating systemAndroid 8.1Android 8.1Android 8.1Android 7.1
SkinFunTouch 4.0Funtouch OS 4.0FunTouch OS 4.0FunTouch OS
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n--
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20Yes, v 5.00
USB OTGYes-YesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
Micro-USB-YesYes-
FM-YesYesNo
NFC---No
Infrared---No
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sim 1
SIM TypeMicro-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeMicro-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
Fingerprint sensor-YesYes-
Accelerometer-YesYesYes
Face unlock--Yes-
Barometer---No
Temperature sensor---No
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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