Motorola Moto 360 (2nd Gen) vs. Polar A360 vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
A360
Vivofit 4
Vivosmart 4
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarA360Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$200$79.95$130$140
Release20152015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days12 days1 year7 days20 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 330160 x 8088 x 8848 x 128360 x 360
Size1.37 inches or 1.56 inches1.18 inchesNA0.74 inches1.3 inches
Touch
TypeLCDn/aNAOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuild-in
Apps
Musicn/a

All Wearables