Vivo X21 UD vs Vivo V9 vs Huawei Nova 2i comparison

Compare Vivo X21 UD
Compare Vivo V9
Compare Huawei Nova 2i
key specs
Display6.28-inch6.30-inch5.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 626HiSilicon Kirin 659
Front Camera12-megapixel24-megapixel 13-megapixel + 2-megapixel
Rear Camera12-megapixel16-megapixel + 5-megapixel16-megapixel + 2-megapixel
RAM6GB4GB4GB
Storage128GB64GB64GB
Battery Capacity3200mAh3260mAh3340mAh
OSAndroid 8.1Android 8.1Android 7.0
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels
general
BrandVivoVivoHuawei
ModelX21 UDV9Nova 2i
Release dateMarch 1, 2018March 1, 2018October 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40154.80 x 75.00 x 7.90156.20 x 75.00 x 7.50
Weight (g)156.20150.00164.00
Battery capacity (mAh)320032603340
ColoursRuby Red, Aurora White, BlackPearl Black, GoldBlack, Blue, Gold
Launched in India-Yes-
Removable battery-NoNo
SAR value-1.38-
Body type--Metal
display
Screen size (inches)6.286.305.50
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels
Aspect ratio-19:918:9
hardware
Processorocta-core2.2GHz octa-core1.7GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 626HiSilicon Kirin 659
RAM6GB4GB4GB
Internal storage128GB64GB64GB
Expandable storage-YesYes
Expandable storage type-microSDmicroSD
Expandable storage up to (GB)-256256
camera
Rear camera12-megapixel16-megapixel (f/2.0) + 5-megapixel16-megapixel + 2-megapixel
Rear flashLEDDual LEDDual LED
Front camera12-megapixel24-megapixel (f/2.0)13-megapixel + 2-megapixel
Rear autofocus-Phase detection autofocus-
software
Operating systemAndroid 8.1Android 8.1Android 7.0
SkinFunTouch 4.0FunTouch OS 4.0EMUI 5.1
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20
USB OTGYesYesYes
Headphones3.5mm3.5mm3.5mm
Number of SIMs222
Micro-USB-Yes-
FM-YesYes
NFC--Yes
Infrared--No
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Face unlock-Yes-
Fingerprint sensor-Yes-
Accelerometer-YesYes
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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