Redmi Note 5 Pro vs Xiaomi Redmi Note 4 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
Display5.99-inch5.50-inch5.00-inch
ProcessorQualcomm Snapdragon 636Qualcomm Snapdragon 6251.2GHz quad-core
Front Camera20-megapixel 5-megapixel 5-megapixel
Rear Camera12-megapixel + 5-megapixel 13-megapixel 8-megapixel
RAM4GB4GB2GB
Storage64GB64GB16GB
Battery Capacity4000mAh4100mAh2350mAh
OSAndroid 7.1.1Android 6.0Android 5.0.2
Resolution1080x2160 pixels1080x1920 pixels540x960 pixels
general
BrandXiaomiXiaomiVivo
ModelRedmi Note 5 ProRedmi Note 4Y51
Release dateFebruary 2018August 2016November 2015
Launched in IndiaYesYes-
Form factorTouchscreenTouchscreenTouchscreen
Body typeMetal--
Dimensions (mm)158.60 x 75.40 x 8.05151.00 x 76.00 x 8.30143.80 x 71.70 x 7.52
Weight (g)181.00175.00157.00
Battery capacity (mAh)400041002350
Removable batteryNoNoNo
ColoursBlack, Gold, Lake Blue, Rose GoldGold, Grey, Matte BlackWhite
SAR value1.19--
display
Screen size (inches)5.995.505.00
TouchscreenYesYesYes
Resolution1080x2160 pixels1080x1920 pixels540x960 pixels
Protection typeGorilla Glass--
Aspect ratio18:916:9-
Pixels per inch (PPI)-401-
hardware
Processor1.8GHz octa-core2GHz octa-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 636Qualcomm Snapdragon 625-
RAM4GB4GB2GB
Internal storage64GB64GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)128128128
camera
Rear camera12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)13-megapixel (f/2.0, 1.12-micron)8-megapixel
Rear autofocusPhase detection autofocusPhase detection autofocus-
Rear flashLEDDual LEDLED
Front camera20-megapixel (f/2.2, 1.0-micron)5-megapixel (f/2.0)5-megapixel
Front flashLED--
software
Operating systemAndroid 7.1.1Android 6.0Android 5.0.2
SkinMIUI 9MIUI 8FunTouch OS
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n/ac802.11 a/b/g/n-
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.10Yes
NFCNoNoNo
InfraredNoYesNo
USB OTGYesYesNo
Micro-USBYesYes-
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectYesNoNo
Mobile High-Definition Link (MHL)NoNoNo
sim 1
SIM TypeNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesYesNo
4G/ LTEYesYesYes
sensors
Face unlockYes--
3D face recognitionNo--
Fingerprint sensorYesYes-
Compass/ MagnetometerYesYesNo
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
BarometerNoNoNo
Temperature sensorNoNoNo
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