Redmi Note 9 Pro Max vs Vivo X21 comparison

Compare Redmi Note 9 Pro Max
Compare Vivo X21
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
Display6.67-inch6.28-inch
ProcessorQualcomm Snapdragon 720GQualcomm Snapdragon 660
Front Camera32-megapixel 12-megapixel
Rear Camera64-megapixel + 8-megapixel + 5-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM6GB6GB
Storage64GB128GB
Battery Capacity5020mAh3200mAh
OSAndroid 10Android 8.1
Resolution1080x2400 pixels1080x2280 pixels
general
BrandXiaomiVivo
ModelRedmi Note 9 Pro MaxX21
Release dateMarch 12, 2020March 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.50 x 76.68 x 8.80154.50 x 74.80 x 7.40
Weight (g)209.00156.20
Battery capacity (mAh)50203200
ColoursAurora Blue, Glacier White, Interstellar BlackBlack, Gold
Removable battery-No
Fast charging-Proprietary
display
Screen size (inches)6.676.28
TouchscreenYesYes
Resolution1080x2400 pixels1080x2280 pixels
Protection typeGorilla Glass-
Aspect ratio20:919:9
hardware
Processor1.8GHz octa-core (4x1.8GHz + 4x2.3GHz)2.2GHz octa-core
Processor makeQualcomm Snapdragon 720GQualcomm Snapdragon 660
RAM6GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
Dedicated microSD slotYes-
camera
Rear camera64-megapixel (f/1.89, 1.6-micron) + 8-megapixel (f/2.2, 1.12-micron) + 5-megapixel (1.12-micron) + 2-megapixel (1.75-micron)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera32-megapixel (1.6-micron)12-megapixel (f/2.0)
software
Operating systemAndroid 10Android 8.1
SkinMIUI 11FunTouch 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
InfraredYesNo
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
USB OTG-Yes
Micro-USB-Yes
FM-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
In-Display Fingerprint SensorNo-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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