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Samsung Galaxy S21 vs Vivo X21 UD comparison

 Compare Samsung Galaxy S21
Samsung Galaxy S21
Compare Vivo X21 UD
Vivo X21 UD
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
ProcessorSamsung Exynos 2100Qualcomm Snapdragon 660
Front Camera10-megapixel 12-megapixel
Rear Camera12-megapixel + 12-megapixel + 64-megapixel 12-megapixel
RAM8GB6GB
Storage128GB, 256GB128GB
Battery Capacity4000mAh3200mAh
OSAndroid 11Android 8.1
Resolution1080x2400 pixels1080x2280 pixels
general
BrandSamsungVivo
ModelGalaxy S21X21 UD
Release dateJanuary 14, 2021March 1, 2018
Form factorTouchscreenTouchscreen
Dimensions (mm)151.70 x 71.20 x 7.90154.50 x 74.80 x 7.40
Weight (g)171.00156.20
IP ratingIP68-
Battery capacity (mAh)40003200
Fast chargingProprietary-
Wireless chargingYes-
ColoursPhantom VioletRuby Red, Aurora White, Black
display
Screen size (inches)6.206.28
TouchscreenYesYes
Resolution1080x2400 pixels1080x2280 pixels
Protection typeGorilla Glass-
Aspect ratio20:9-
Pixels per inch (PPI)421-
hardware
Processor2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)octa-core
Processor makeSamsung Exynos 2100Qualcomm Snapdragon 660
RAM8GB6GB
Internal storage128GB, 256GB128GB
camera
Rear camera12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 64-megapixel (f/2.0, 0.8-micron)12-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front camera10-megapixel (f/2.2, 1.22-micron)12-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 8.1
SkinOne UI 3.1FunTouch 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
NFCYes-
USB Type-CYes-
Number of SIMs22
USB OTG-Yes
Headphones-3.5mm
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlockYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYes-

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