Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Samsung Gear S2 vs. Samsung Galaxy Watch vs. Amazfit GTR

 
Moto 360 (2nd Gen)
M400
Gear S2
Galaxy Watch
GTR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowSamsungGalaxy WatchRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$200$300$330$199
Release20152014201520182019

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2-3 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a360 x 360360 x 360454 x 454
Size1.37 inches or 1.56 inchesn/a1.2 inches1.2 inches or 1.3 inches1.39 inches
Touch
TypeLCDn/aSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aTizenTizen OSBuild-in
Apps
Musicn/aSpotify

All Wearables