Vivo Nex S vs Vivo X21 comparison

Compare Vivo Nex S
Compare Vivo X21
ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
general
Release dateJune 2018March 2018--
Form factorTouchscreenTouchscreen--
Dimensions (mm)162.00 x 77.00 x 7.98154.50 x 74.80 x 7.40--
Weight (g)199.00156.20--
Battery capacity (mAh)40003200--
Removable batteryNoNo--
Fast chargingProprietaryProprietary--
ColoursRuby Red, Star Diamond BlackBlack, Gold--
Launched in India-Yes--
display
Screen size (inches)6.596.28--
TouchscreenYesYes--
Resolution1080x2316 pixels1080x2280 pixels--
Pixels per inch (PPI)388---
Aspect ratio-19:9--
hardware
Processor2.2GHz octa-core2.2GHz octa-core--
Processor makeQualcomm Snapdragon 845Qualcomm Snapdragon 660--
RAM8GB6GB--
Internal storage128GB128GB--
Expandable storageNoYes--
Expandable storage type-microSD--
Expandable storage up to (GB)-256--
camera
Rear camera12-megapixel12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)--
Rear flashLEDLED--
Front camera8-megapixel12-megapixel (f/2.0)--
Rear autofocus-Phase detection autofocus--
software
Operating systemAndroid 8.1 OreoAndroid 8.1--
SkinFuntouch OS 4.0FunTouch 4.0--
connectivity
Wi-FiYesYes--
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac--
GPSYesYes--
BluetoothYes, v 5.00Yes, v 5.00--
USB OTGYesYes--
FMNoNo--
Number of SIMs22--
NFC-No--
Infrared-No--
Micro-USB-Yes--
Headphones-3.5mm--
sim 1
SIM TypeNano-SIMNano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
sim 2
SIM TypeNano-SIMNano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
sensors
Compass/ MagnetometerYesYes--
Proximity sensorYesYes--
AccelerometerYesYes--
Ambient light sensorYesYes--
GyroscopeYesYes--
Fingerprint sensor-Yes--