Motorola Moto 360 (2nd Gen) vs. Polar M600 vs. Fitbit Alta vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Moto 360 (2nd Gen)
M600
Alta
Alta HR
Vivosmart 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$330$130$150$130
Release20152016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days2 days5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330240 x 240n/a128 x 3648 x 128
Size1.37 inches or 1.56 inches1.3 inchesn/a1.4 inches0.74 inches
Touchn/an/a
TypeLCDTFTOLEDOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX8n/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid WearAndroid Wearn/a
Apps
Musicn/a

All Wearables