Polar M400 vs. Garmin Vivosmart HR vs. Michael Kors Access Sofie vs. Pebble Core vs. Garmin Vivosmart 4

 
M400
Vivosmart HR
Access Sofie
Core
Vivosmart 4
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsAccess SofieRemove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$395$99$130
Release20142015201720162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 hours to 30 days5 days1 dayNA7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68390 x 390 1.19 inchesNA48 x 128
Sizen/a1.08 inchesNA0.74 inches
TouchAMOLDEDNA
Typen/an/aNAOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables