Xiaomi Redmi Note 4X vs Vivo Y51 vs Xiaomi Redmi Note 3 comparison

Compare Xiaomi Redmi Note 4X
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ratings
Overall NDTV Rating--Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display5.50-inch5.00-inch5.50-inch
ProcessorQualcomm Snapdragon 6251.2GHz quad-coreQualcomm Snapdragon 650
Front Camera5-megapixel5-megapixel5-megapixel
Rear Camera13-megapixel8-megapixel16-megapixel
RAM3GB2GB2GB
Storage32GB16GB16GB
Battery Capacity4100mAh2350mAh4050mAh
OSAndroid 6.0Android 5.0.2Android 5.1
Resolution1080x1920 pixels540x960 pixels1080x1920 pixels
general
BrandXiaomiVivoXiaomi
ModelRedmi Note 4XY51Redmi Note 3
Release dateFebruary 2017November 2015November 2015
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)151.00 x 76.00 x 8.45143.80 x 71.70 x 7.52150.00 x 76.00 x 8.65
Weight (g)165.00157.00164.00
Battery capacity (mAh)410023504050
Removable batteryNoNoNo
ColoursCherry Powder, Champagne Gold, Platinum Silver Grey, Matte Black, Hatsune Miku Exclusive ColourWhiteGold, Silver, Dark Grey
Launched in India--Yes
SAR value--0.56
display
Screen size (inches)5.505.005.50
TouchscreenYesYesYes
Resolution1080x1920 pixels540x960 pixels1080x1920 pixels
Pixels per inch (PPI)403-403
Aspect ratio--16:9
hardware
Processor2GHz octa-core1.2GHz quad-corehexa-core (4x1.4GHz + 4x1.8GHz)
Processor makeQualcomm Snapdragon 625-Qualcomm Snapdragon 650
RAM3GB2GB2GB
Internal storage32GB16GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)128128128
camera
Rear camera13-megapixel8-megapixel16-megapixel (f/2.0)
Rear flashYesLEDDual LED
Front camera5-megapixel5-megapixel5-megapixel (f/2.0)
Rear autofocus--Phase detection autofocus
Front flash--No
software
Operating systemAndroid 6.0Android 5.0.2Android 5.1
Skin-FunTouch OSMIUI 7
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n-802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.20YesYes, v 4.10
NFCNoNoNo
InfraredYesNoYes
USB OTGYesNoYes
Headphones3.5mm3.5mm3.5mm
FMYesYesYes
Number of SIMs222
Wi-Fi DirectNoNoYes
Mobile High-Definition Link (MHL)NoNoNo
Micro-USB--Yes
sim 1
SIM TypeMicro-SIMMicro-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMMicro-SIMMicro-SIM
GSM/CDMAGSMGSMGSM
3GYesNoYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYesNoYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
BarometerNoNoNo
Temperature sensorNoNoNo
Fingerprint sensor--Yes
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