Vivo S1 (China) vs Vivo Y81 comparison

Compare Vivo S1 (China)
Compare Vivo Y81
key specs
Display6.53-inch6.22-inch
ProcessorMediaTek P70MediaTek MT6762
Front Camera24.8-megapixel 5-megapixel
Rear Camera12-megapixel + 8-megapixel + 5-megapixel 13-megapixel
RAM6GB3GB
Storage128GB32GB
Battery Capacity3940mAh3260mAh
OSAndroid PieAndroid 8.1
Resolution1080x2340 pixels720x1520 pixels
general
BrandVivoVivo
ModelS1 (China)Y81
Release dateMarch 2019June 2018
Form factorTouchscreenTouchscreen
Dimensions (mm)161.97 x 75.93 x 8.54155.06 x 75.00 x 7.77
Weight (g)189.50146.50
Battery capacity (mAh)39403260
ColoursBlue, Peach PinkBlack
Launched in India-Yes
Body type-Plastic
display
Screen size (inches)6.536.22
TouchscreenYesYes
Resolution1080x2340 pixels720x1520 pixels
Aspect ratio19.5:919:9
Pixels per inch (PPI)-270
hardware
Processorocta-core2GHz octa-core
Processor makeMediaTek P70MediaTek MT6762
RAM6GB3GB
Internal storage128GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera12-megapixel (f/1.78) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4)13-megapixel (f/2.2)
Front camera24.8-megapixel (f/2.0)5-megapixel (f/2.2)
Rear autofocus-Phase detection autofocus
Rear flash-LED
software
Operating systemAndroid PieAndroid 8.1
SkinFunTouch OS 9FunTouch OS 4.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 5.00
USB OTGYes-
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
Micro-USB-Yes
Headphones-3.5mm
Wi-Fi Direct-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYes-
GyroscopeYes-
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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