Vivo Y55s vs Xiaomi Redmi 4A comparison

Compare Vivo Y55s
Compare Xiaomi Redmi 4A
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 425
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel 13-megapixel
RAM3GB2GB
Storage16GB16GB
Battery Capacity2730mAh3120mAh
OSAndroid 6.0Android 6.0
Resolution1280x720 pixels720x1280 pixels
general
BrandVivoXiaomi
ModelY55sRedmi 4A
Release dateFebruary 1, 2017November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)147.90 x 72.90 x 7.50139.50 x 70.40 x 8.50
Weight (g)142.00131.50
Battery capacity (mAh)27303120
Removable batteryNoNo
ColoursGold, Space GreyGolden, Rose Gold, Dark Grey
SAR value1.08-
display
Screen size (inches)5.205.00
TouchscreenYesYes
Resolution1280x720 pixels720x1280 pixels
Aspect ratio16:916:9
Pixels per inch (PPI)282296
hardware
Processor1.4GHz quad-core1.4GHz quad-core
Processor makeQualcomm Snapdragon 425Qualcomm Snapdragon 425
RAM3GB2GB
Internal storage16GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/2.2)
Rear autofocusYes-
Rear flashLEDDual LED
Front camera5-megapixel (f/2.2)5-megapixel (f/2.2)
software
Operating systemAndroid 6.0Android 6.0
SkinFuntouch OS 3.0MIUI 8
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.10
NFCNoNo
InfraredNoYes
USB OTGYesYes
Micro-USBYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoYes
Mobile High-Definition Link (MHL)NoNo
Wi-Fi standards supported-802.11 a/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/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerNoNo
Temperature sensorNoNo

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