Vivo X21 vs Vivo V9 vs Redmi Note 5 Pro vs Samsung Galaxy Note 8 comparison

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ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.28-inch6.30-inch5.99-inch6.30-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 626Qualcomm Snapdragon 636Samsung Exynos 8895
Front Camera12-megapixel 24-megapixel 20-megapixel 8-megapixel
Rear Camera12-megapixel + 5-megapixel 16-megapixel + 5-megapixel12-megapixel + 5-megapixel 12-megapixel + 12-megapixel
RAM6GB4GB4GB6GB
Storage128GB64GB64GB64GB
Battery Capacity3200mAh3260mAh4000mAh3300mAh
OSAndroid 8.1Android 8.1Android 7.1.1Android 7.1.1
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels1440x2960 pixels
general
BrandVivoVivoXiaomiSamsung
ModelX21V9Redmi Note 5 ProGalaxy Note 8
Release dateMarch 1, 2018March 1, 2018February 1, 2018August 1, 2017
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40154.80 x 75.00 x 7.90158.60 x 75.40 x 8.05162.50 x 74.80 x 8.60
Weight (g)156.20150.00181.00195.00
Battery capacity (mAh)3200326040003300
Removable batteryNoNoNoNo
Fast chargingProprietary--Quick Charge 2.0
ColoursBlack, GoldPearl Black, GoldBlack, Gold, Lake Blue, Rose GoldMidnight Black, Orchid Gray
SAR value-1.381.190.22
Body type--Metal-
display
Screen size (inches)6.286.305.996.30
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels1440x2960 pixels
Aspect ratio19:919:918:918.5:9
Protection type--Gorilla GlassGorilla Glass
hardware
Processor2.2GHz octa-core2.2GHz octa-core1.8GHz octa-coreocta-core (4x2.3GHz + 4x1.7GHz)
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 626Qualcomm Snapdragon 636Samsung Exynos 8895
RAM6GB4GB4GB6GB
Internal storage128GB64GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128256
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)16-megapixel (f/2.0) + 5-megapixel12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)12-megapixel (f/1.7, 1.4-micron) + 12-megapixel (f/2.4, 1.0-micron)
Rear autofocusPhase detection autofocusPhase detection autofocusPhase detection autofocusPhase detection autofocus
Rear flashLEDDual LEDLEDLED
Front camera12-megapixel (f/2.0)24-megapixel (f/2.0)20-megapixel (f/2.2, 1.0-micron)8-megapixel (f/1.7, 1.22-micron)
Front flash--LED-
Front autofocus---Yes
software
Operating systemAndroid 8.1Android 8.1Android 7.1.1Android 7.1.1
SkinFunTouch 4.0FunTouch OS 4.0MIUI 9Samsung Experience 8.5
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 5.00Yes, v 5.00
NFCNo-NoYes
InfraredNo-NoNo
USB OTGYesYesYesYes
Micro-USBYesYesYes-
Headphones3.5mm3.5mm3.5mmYes
FMNoYesYesNo
Number of SIMs2222
Wi-Fi Direct--YesNo
Mobile High-Definition Link (MHL)--NoNo
USB Type-C---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
Face unlock-YesYes-
3D face recognition--No-
Barometer--NoYes
Temperature sensor--NoNo
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