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Samsung Galaxy J8 vs Vivo X21 comparison

 Compare Samsung Galaxy J8
Samsung Galaxy J8
Compare Vivo X21
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
Display6.00-inch6.28-inch
ProcessorQualcomm Snapdragon 450Qualcomm Snapdragon 660
Front Camera16-megapixel 12-megapixel
Rear Camera16-megapixel + 5-megapixel 12-megapixel + 5-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity3500mAh3200mAh
OSAndroid 8.0Android 8.1
Resolution720x1440 pixels1080x2280 pixels
general
BrandSamsungVivo
ModelGalaxy J8X21
Release dateMay 1, 2018March 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)159.20 x 75.70 x 8.20154.50 x 74.80 x 7.40
Weight (g)177.00156.20
Battery capacity (mAh)35003200
ColoursBlue, Black, GoldBlack, Gold
Removable battery-No
Fast charging-Proprietary
display
Screen size (inches)6.006.28
TouchscreenYesYes
Resolution720x1440 pixels1080x2280 pixels
Aspect ratio18.5:919:9
Pixels per inch (PPI)274-
hardware
Processor1.6GHz octa-core2.2GHz octa-core
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 660
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera16-megapixel (f/1.7) + 5-megapixel (f/1.9)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusYesPhase detection autofocus
Rear flashLEDLED
Front camera16-megapixel (f/1.9)12-megapixel (f/2.0)
Front flashLED-
software
Operating systemAndroid 8.0Android 8.1
SkinSamsung ExperienceFunTouch 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.00
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesNo
Number of SIMs22
Wi-Fi standards supported-802.11 a/b/g/n/ac
NFC-No
Infrared-No
USB OTG-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-Yes

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