Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Misfit Ray vs. Amazfit Stratos vs. Fitbit Alta HR

 
Moto 360 (2nd Gen)
M400
Ray
Stratos
Alta HR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowMisfitRayRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$200$100$199$150
Release20152014201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days8 hours to 30 days6 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/an/a320 x 300128 x 36
Size1.37 inches or 1.56 inchesn/an/a1.34 inches1.4 inches
Touchn/a
TypeLCDn/aLEDOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aProprietary
Apps
Musicn/a

All Wearables