Polar M600 vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Alta HR vs. Mobvoi TicWatch e2

 
M600
Alta
645 Music
Alta HR
TicWatch e2
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$330$130$450$150$200
Release20162016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240128 x 36360 x 360
Size1.3 inchesn/a1.2 inches1.4 inches1.2 inches
Touchn/an/a
TypeTFTOLEDMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP68

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWear OS
Apps
Music

All Wearables