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

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

Basic Info

Suggested Price$330$150$450$1500$150
Release20162016201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days8 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240218 x 218320 x 260
Size1.3 inchesn/a1.2 inches1.2 inches1.56 inches
Touchn/an/a
TypeTFTOLEDMIPMIPLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM10 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSAndroid Wear
Apps
MusicNA

All Wearables