Vivo Y55s vs Xiaomi Redmi 4 comparison

Compare Vivo Y55s
Compare Xiaomi Redmi 4
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
Display5.20-inch5.00-inch
ProcessorQualcomm Snapdragon 425Qualcomm Snapdragon 435
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB3GB
Storage16GB32GB
Battery Capacity2730mAh4100mAh
OSAndroid 6.0Android 6.0.1
Resolution1280x720 pixels720x1280 pixels
general
BrandVivoXiaomi
ModelY55sRedmi 4
Release dateFebruary 1, 2017November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)147.90 x 72.90 x 7.50139.30 x 69.90 x 8.65
Weight (g)142.00150.00
Battery capacity (mAh)27304100
Removable batteryNoNo
ColoursGold, Space GreyGold, Black
SAR value1.08-
display
Screen size (inches)5.205.00
TouchscreenYesYes
Resolution1280x720 pixels720x1280 pixels
Aspect ratio16:916:9
Pixels per inch (PPI)282296
Protection type-Gorilla Glass
hardware
Processor1.4GHz quad-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 425Qualcomm Snapdragon 435
RAM3GB3GB
Internal storage16GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera13-megapixel (f/2.2)13-megapixel
Rear autofocusYes-
Rear flashLEDLED
Front camera5-megapixel (f/2.2)5-megapixel
software
Operating systemAndroid 6.0Android 6.0.1
SkinFuntouch OS 3.0MIUI 8
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.10
NFCNoNo
InfraredNoYes
USB OTGYesYes
Micro-USBYesYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
Wi-Fi standards supported-802.11 b/g/n
sim 1
SIM TypeMicro-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
3GNoYes
4G/ LTENoYes
SIM Type-Nano-SIM
GSM/CDMA-GSM
sensors
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo
Fingerprint sensor-Yes

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