Vivo X21 vs Xiaomi Mi MIX 2 comparison

Compare Vivo X21
Compare Xiaomi Mi MIX 2
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.28-inch5.99-inch
Processor2.2GHz octa-coreocta-core
Front Camera12-megapixel 5-megapixel
Resolution1080x2280 pixels1080x2160 pixels
RAM6GB6GB
OSAndroid 8.1Android
Storage128GB128GB
Rear Camera12-megapixel + 5-megapixel 12-megapixel
Battery Capacity3200mAh3400mAh
general
Release dateMarch 2018September 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40151.80 x 75.50 x 7.70
Weight (g)156.20185.00
Battery capacity (mAh)32003400
Removable batteryNoNo
Fast chargingProprietary-
ColoursBlack, GoldBlack
display
Screen size (inches)6.285.99
TouchscreenYesYes
Resolution1080x2280 pixels1080x2160 pixels
Aspect ratio19:9-
Pixels per inch (PPI)-403
hardware
Processor2.2GHz octa-coreocta-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 835
RAM6GB6GB
Internal storage128GB128GB
Expandable storageYesNo
Expandable storage typemicroSD-
Expandable storage up to (GB)256-
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)12-megapixel
Rear autofocusPhase detection autofocus-
Rear flashLEDDual LED
Front camera12-megapixel (f/2.0)5-megapixel
software
Operating systemAndroid 8.1Android
SkinFunTouch 4.0MIUI
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
NFCNoYes
InfraredNoNo
USB OTGYesNo
Micro-USBYes-
Headphones3.5mm-
FMNoNo
Number of SIMs22
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-Yes
Temperature sensor-No