Garmin Vivoactive vs. Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Polar M600 vs. Amazfit T-Rex

 
Vivoactive
Moto 360 (2nd Gen)
M400
M600
T-Rex
 GarminVivoactiveRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$300$200$330$140
Release20152015201420162019

Activity & Fitness

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

Battery

Duration14 hours to 11 days1.5 days8 hours to 30 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148360 x 325 or 360 x 330n/a240 x 240360 x 360
Size1.38 inches1.37 inches or 1.56 inchesn/a1.3 inches1.3 inches
Touchn/a
TypeLCDLCDn/aTFTAMOLED

Functions

Audio SpeakerBluetoothAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP673 ATMIPX85 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearBuild-in
Apps
Musicn/a

All Wearables