Vivo X21 vs Samsung Galaxy J2 (2017) comparison

Compare Vivo X21
Compare Samsung Galaxy J2 (2017)
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.28-inch4.70-inch
ProcessorQualcomm Snapdragon 660Samsung Exynos 3 Quad 3475
Front Camera12-megapixel 2-megapixel
Rear Camera12-megapixel + 5-megapixel 5-megapixel
RAM6GB1GB
Storage128GB8GB
Battery Capacity3200mAh2000mAh
OSAndroid 8.1Android
Resolution1080x2280 pixels540x960 pixels
general
BrandVivoSamsung
ModelX21Galaxy J2 (2017)
Release dateMarch 1, 2018October 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40136.50 x 69.00 x 8.40
Weight (g)156.20130.00
Battery capacity (mAh)32002000
Removable batteryNoYes
Fast chargingProprietary-
ColoursBlack, GoldBlack, Gold
display
Screen size (inches)6.284.70
TouchscreenYesYes
Resolution1080x2280 pixels540x960 pixels
Aspect ratio19:9-
hardware
Processor2.2GHz octa-core1.3GHz quad-core
Processor makeQualcomm Snapdragon 660Samsung Exynos 3 Quad 3475
RAM6GB1GB
Internal storage128GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)5-megapixel
Rear autofocusPhase detection autofocus-
Rear flashLEDLED
Front camera12-megapixel (f/2.0)2-megapixel
software
Operating systemAndroid 8.1Android
SkinFunTouch 4.0-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes
NFCNoNo
InfraredNoNo
USB OTGYesYes
Micro-USBYes-
Headphones3.5mm3.5mm
FMNoYes
Number of SIMs22
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No
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