Samsung Galaxy M21 vs Vivo Y66 comparison

Compare Samsung Galaxy M21
Compare Vivo Y66
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
Display6.40-inch5.50-inch
ProcessorSamsung Exynos 9611octa-core
Front Camera20-megapixel16-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity6000mAh3000mAh
OSAndroid 10Android 6.0
Resolution2340x1080 pixels720x1280 pixels
general
BrandSamsungVivo
ModelGalaxy M21Y66
Release dateMarch 18, 2020March 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Thickness8.9-
Weight (g)188.00155.00
Battery capacity (mAh)60003000
Removable batteryNoNo
Fast chargingProprietary-
Wireless chargingNo-
ColoursMidnight Blue, Raven BlackCrown Gold, Matte Black
Dimensions (mm)-153.80 x 75.50 x 7.60
display
Screen size (inches)6.405.50
TouchscreenYesYes
Resolution2340x1080 pixels720x1280 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:9-
hardware
Processor1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)octa-core
Processor makeSamsung Exynos 9611-
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera20-megapixel16-megapixel
Front flashNoYes
software
Operating systemAndroid 10Android 6.0
SkinOne UI 2.0Funtouch 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g802.11 b/g/n
GPSYesYes
BluetoothYesYes, v 4.00
USB Type-CYes-
Headphones3.5mmYes
Number of SIMs22
NFC-No
Infrared-No
USB OTG-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSM-
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM-
3GYesNo
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-No
Barometer-No
Temperature sensor-No

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