Vivo V9 Pro vs Samsung Galaxy A7 (2018) vs Vivo Y51 comparison

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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
Display6.30-inch6.00-inch5.00-inch-
Processorocta-core2.2GHz octa-core1.2GHz quad-core-
Front Camera16-megapixel 24-megapixel 5-megapixel-
Resolution1080x2280 pixels1080x2220 pixels540x960 pixels-
RAM6GB4GB2GB-
OSAndroid 8.1Android 8.0Android 5.0.2-
Storage64GB64GB16GB-
Rear Camera13-megapixel + 2-megapixel24-megapixel + 8-megapixel + 5-megapixel 8-megapixel-
Battery Capacity3260mAh3300mAh2350mAh-
general
Release dateSeptember 2018September 2018November 2015-
Launched in IndiaYesYes--
Form factorTouchscreen-Touchscreen-
Dimensions (mm)154.81 x 75.00 x 7.90159.80 x 76.80 x 7.50143.80 x 71.70 x 7.52-
Weight (g)150.00168.00157.00-
Battery capacity (mAh)326033002350-
Removable batteryNoNoNo-
ColoursBlack, Nebula PurpleBlack, Blue, Gold, PinkWhite-
SAR value1.38---
Wireless charging-No--
display
Screen size (inches)6.306.005.00-
TouchscreenYesYesYes-
Resolution1080x2280 pixels1080x2220 pixels540x960 pixels-
Aspect ratio-18.5:9--
hardware
Processorocta-core2.2GHz octa-core1.2GHz quad-core-
Processor makeSnapdragon 660---
RAM6GB4GB2GB-
Internal storage64GB64GB16GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256512128-
Dedicated microSD slotYes---
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)8-megapixel-
Rear flashLEDYesLED-
Front camera16-megapixel (f/2.0)24-megapixel (f/2.0)5-megapixel-
Rear autofocus-Yes--
Front autofocus-No--
Front flash-Yes--
software
Operating systemAndroid 8.1Android 8.0Android 5.0.2-
SkinFunTouch OS 4.0-FunTouch OS-
connectivity
Wi-FiYesYesYes-
GPSYesYesYes-
BluetoothYes, v 4.20Yes, v 5.00Yes-
USB OTGYes-No-
Micro-USBYes---
Headphones3.5mm-3.5mm-
FMYesYesYes-
Number of SIMs222-
Active 4G on both SIM cardsYesYes--
Wi-Fi standards supported-802.11 a/b/g/n/ac--
NFC-NoNo-
Infrared--No-
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSM-GSM-
3GYes-Yes-
4G/ LTEYes-Yes-
sim 2
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSM-GSM-
3GYes-No-
4G/ LTEYesYesYes-
sensors
Face unlockYesYes--
Fingerprint sensorYesYes--
Compass/ MagnetometerYesYesNo-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesYesYes-
Barometer--No-
Temperature sensor--No-