Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Charge HR

 
Moto 360 (2nd Gen)
M400
Stratos
G-Shock GBA800
Charge HR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$300$200$199$120$150
Release20152014201820182015

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days5 days2 years5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 300NA
Size1.37 inches or 1.56 inchesn/a1.34 inchesNA
TouchNA
TypeLCDn/aOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM20 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aProprietaryNA
Apps
Musicn/a

All Wearables