Fitbit Charge 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Garmin Vivosmart HR Plus

 
Charge 2
645 Music
Access Sofie
Vivosmart HR Plus
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$150$450$395$179
Release2016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240390 x 390 1.19 inches160 x 68
Sizen/a1.2 inches0.5 inches x 0.8 inches
Touchn/aAMOLDED
TypeOLEDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NA
Apps
Music

All Wearables