Polar M400 vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Michael Kors Access Sofie

 
M400
Vivosmart HR
645 Music
Fenix 5X
Access Sofie
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowMichael KorsAccess SofieRemove Buy Now

Basic Info

Suggested Price$200$170$450$699$395
Release20142015201820172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7 daysUp to 12 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68240 x 240240 x240390 x 390 1.19 inches
Sizen/a1.08 inches1.2 inches1.2 inches
TouchAMOLDED
Typen/an/aMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0
Apps
Music

All Wearables