Vivo X21i vs Asus ZenFone Max Pro M1 vs Asus ZenFone 4 Selfie (ZB553KL) comparison

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Compare Asus ZenFone 4 Selfie (ZB553KL)
key specs
Display6.28-inch5.99-inch5.50-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 636Qualcomm Snapdragon 430
Front Camera24-megapixel8-megapixel13-megapixel
Rear Camera12-megapixel13-megapixel + 5-megapixel 13-megapixel
RAM4GB3GB3GB
Storage64GB32GB32GB
Battery Capacity3245mAh5000mAh3000mAh
OSAndroid 8.1Android 8.1 OreoAndroid 7.1.1
Resolution1080x2280 pixels1080x2160 pixels720x1280 pixels
general
BrandVivoAsusAsus
ModelX21iZenFone Max Pro M1ZenFone 4 Selfie (ZB553KL)
Release dateMay 1, 2018April 1, 2018August 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.37 x 74.98 x 6.99159.00 x 76.00 x 8.64155.66 x 75.90 x 7.85
Weight (g)159.00180.00144.00
Battery capacity (mAh)324550003000
ColoursAurora White, Polar Night, Ruby RedMidnight Black, GreySunlight Gold, Rose Pink, Deepsea Black
Launched in India-Yes-
Removable battery--No
display
Screen size (inches)6.285.995.50
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2160 pixels720x1280 pixels
Aspect ratio-18:9-
Pixels per inch (PPI)-404-
hardware
Processor2GHz octa-core1.8GHz octa-core1.4GHz octa-core
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 636Qualcomm Snapdragon 430
RAM4GB3GB3GB
Internal storage64GB32GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)2562000128
camera
Rear camera12-megapixel13-megapixel (f/2.2, 1.12-micron) + 5-megapixel (f/2.4, 1.12-micron)13-megapixel
Rear flashDual LEDLEDLED
Front camera24-megapixel8-megapixel13-megapixel
Front flash-LEDYes
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 7.1.1
SkinFuntouch OS 4-ZenUI 4.0
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYes
BluetoothYesYes, v 4.20Yes, v 4.10
USB OTGYes-No
FMYes-Yes
Number of SIMs222
Headphones-3.5mm3.5mm
Wi-Fi Direct-YesNo
NFC--No
Infrared--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Face unlock-Yes-
Compass/ Magnetometer-YesNo
Barometer--No
Temperature sensor--No
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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