Vivo Y66 vs Xiaomi Redmi Note 4X vs Oppo A57 comparison

 
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Ratings
Overall NDTV Rating--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for money Rating--
General
Release dateMarch 2017February 2017November 2016
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)153.80 x 75.50 x 7.60151.00 x 76.00 x 8.45149.10 x 72.90 x 7.65
Weight (g)155.00165.00147.00
Battery capacity (mAh)300041002900
Removable batteryNoNoNo
ColoursCrown Gold, Matte BlackCherry Powder, Champagne Gold, Platinum Silver Grey, Matte Black, Hatsune Miku Exclusive ColourRose Gold, Gold
SAR ValueNANA1.31
Display
Screen size (inches)5.505.505.20
TouchscreenYesYesYes
Resolution720x1280 pixels1080x1920 pixels720x1280 pixels
Pixels per inch (PPI)-403-
Hardware
Processorocta-core2GHz octa-core1.4GHz octa-core
Processor make-Qualcomm Snapdragon 625Qualcomm Snapdragon 435
RAM3GB3GB3GB
Internal storage32GB32GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128256
Camera
Rear camera13-megapixel13-megapixel13-megapixel
FlashYesYesYes
Front camera16-megapixel5-megapixel16-megapixel
Software
Operating SystemAndroid 6.0Android 6.0Android 6.0
SkinFuntouch 3.0-ColorOS 3.0
Connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 4.00Yes, v 4.20Yes, v 4.10
NFCNoNoNo
InfraredNoYesNo
HeadphonesYes3.5mm3.5mm
FMYesYesYes
Number of SIMs222
SIM1
SIM Type-Micro-SIMNano-SIM
GSM/CDMA-GSMGSM
3GYesYesYes
4G/LTEYesYesYes
SIM2
SIM Type-Micro-SIMNano-SIM
GSM/CDMA-GSMGSM
3GYesYesYes
4G/LTEYesYesYes
Sensors
Compass/ MagnetometerNoYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeNoYesYes
BarometerNoNoNo
Temperature sensorNoNoNo