Polar M600 vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivosport

 
M600
Charge 2
645 Music
Moto 360 (1st Gen)
Vivosport
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$330$150$450$150$199
Release20162016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240320 x 26072 x 144
Size1.3 inchesn/a1.2 inches1.56 inchesNA
Touchn/an/a
TypeTFTOLEDMIPLCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear
Apps
MusicNA

All Wearables