Sony SmartBand 2 vs. Polar M430 vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
SmartBand 2
M430
Vivofit 4
Watch Series 4
 SonySmartBand 2Remove Buy NowPolarM430Remove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$255$79.95$329
Release2015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x12888 x 88384 x 480
Sizen/a1.4 inchNA1.78 inches
Touchn/a
Typen/aLCDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP58WR305 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables