Realme 3i vs Vivo X21i comparison

Compare Realme 3i
Compare Vivo X21i
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.20-inch6.28-inch
ProcessorMediaTek Helio P60MediaTek Helio P60
Front Camera13-megapixel 24-megapixel
Rear Camera13-megapixel + 2-megapixel12-megapixel
RAM4GB4GB
Storage64GB64GB
Battery Capacity4230mAh3245mAh
OSAndroid PieAndroid 8.1
Resolution720x1520 pixels1080x2280 pixels
general
BrandRealmeVivo
Model3iX21i
Release date15th July 2019May 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)156.10 x 75.60 x 8.30154.37 x 74.98 x 6.99
Weight (g)175.00159.00
Battery capacity (mAh)42303245
ColoursDiamond Black, Diamond Blue, Diamond RedAurora White, Polar Night, Ruby Red
display
Screen size (inches)6.206.28
TouchscreenYesYes
Resolution720x1520 pixels1080x2280 pixels
Protection typeGorilla Glass-
Aspect ratio19:9-
hardware
Processor2GHz octa-core2GHz octa-core
Processor makeMediaTek Helio P60MediaTek Helio P60 (MT6771)
RAM4GB4GB
Internal storage64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/1.8) + 2-megapixel12-megapixel
Rear autofocusYes-
Rear flashYesDual LED
Front camera13-megapixel (1.2-micron)24-megapixel
software
Operating systemAndroid PieAndroid 8.1
SkinColorOS 6.0Funtouch OS 4
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.20Yes
USB OTGYesYes
Micro-USBYes-
Number of SIMs22
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
GSM/CDMA-GSM
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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