Samsung Gear S vs. Polar M430 vs. Amazfit Stratos vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Gear S
M430
Stratos
Access Sofie HR
Vivosmart 4
 SamsungGear SRemove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$255$199$395$130
Release20132017201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a30 hours5 days2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360128x128320 x 300390 x 39048 x 128
Size2 inches1.4 inch1.34 inches1.19 inches0.74 inches
Touch
TypeSuper AMOLEDLCDOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenProprietaryWear OS
Apps
Music

All Wearables