Vivo X20 Plus UD vs Samsung Galaxy On7 Prime vs Redmi Y1 Lite vs Oppo A57 comparison

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key specs
Display6.43-inch5.50-inch5.50-inch5.20-inch
ProcessorQualcomm Snapdragon 660Samsung Exynos 7 Octa 7870Qualcomm Snapdragon 425Qualcomm Snapdragon 435
Front Camera12-megapixel13-megapixel5-megapixel 16-megapixel
Rear Camera12-megapixel13-megapixel13-megapixel 13-megapixel
RAM4GB4GB2GB3GB
Storage128GB64GB16GB32GB
Battery Capacity3905mAh3300mAh3080mAh2900mAh
OSAndroid 7.1Android 7.1.1Android 7.0Android 6.0
Resolution1080x2160 pixels1080x1920 pixels720x1280 pixels720x1280 pixels
general
BrandVivoSamsungXiaomiOppo
ModelX20 Plus UDGalaxy On7 PrimeRedmi Y1 LiteA57
Release dateJanuary 1, 2018January 1, 2018November 1, 2017November 1, 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)165.20 x 80.09 x 7.35151.70 x 75.00 x 8.00-149.10 x 72.90 x 7.65
Weight (g)181.50167.00150.00147.00
Battery capacity (mAh)3905330030802900
Removable batteryNoNoNoNo
ColoursBlackGraphite Black, Champagne GoldGold, Dark GreyRose Gold, Gold
SAR value-0.61-1.31
Launched in India--YesYes
display
Screen size (inches)6.435.505.505.20
TouchscreenYesYesYesYes
Resolution1080x2160 pixels1080x1920 pixels720x1280 pixels720x1280 pixels
Aspect ratio--16:916:9
Pixels per inch (PPI)--267-
hardware
Processor1.8GHz octa-core1.6GHz octa-core1.4GHz quad-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 660Samsung Exynos 7 Octa 7870Qualcomm Snapdragon 425Qualcomm Snapdragon 435
RAM4GB4GB2GB3GB
Internal storage128GB64GB16GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128256
camera
Rear camera12-megapixel13-megapixel13-megapixel (f/2.2)13-megapixel (f/2.2)
Rear flashYesYesLEDLED
Front camera12-megapixel13-megapixel5-megapixel (f/2.0)16-megapixel (f/2.0, 1.12-micron)
Front flash-No--
Rear autofocus--Phase detection autofocusPhase detection autofocus
Front autofocus---Yes
software
Operating systemAndroid 7.1Android 7.1.1Android 7.0Android 6.0
SkinFunTouch OSSamsung ExperienceMIUI 9ColorOS 3.0
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.10Yes, v 4.10Yes, v 4.10
NFCNoNoNoNo
InfraredNoNoNoNo
USB OTGYesYesYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
FMNoNoYesYes
Number of SIMs2222
Wi-Fi DirectNoYesNoNo
Mobile High-Definition Link (MHL)NoNoNoNo
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
Micro-USB--YesYes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerYesNoYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesNoYesYes
GyroscopeYesNoYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo
Fingerprint sensor---Yes
ratings
Overall NDTV Rating-Read Review-Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
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Value for Money Rating--

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