Samsung Gear S2 vs. Polar M430 vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Garmin Vivosmart 3

 
Gear S2
M430
Forerunner 235
Charge HR
Vivosmart 3
 SamsungGear S2Remove Buy NowPolarM430Remove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$300$255$299.99$150$139.99
Release20152017201720152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days30 hours9 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128x128215 x 180NA64 x 128
Size1.2 inches1.4 inch1.23 inchesNANA
TouchNA
TypeSuper AMOLEDLCDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68WR305 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNA
Apps
Music

All Wearables