Polar M400 vs. Polar Loop 2 vs. Garmin Vivoactive 3 vs. Motorola Moto 360 (1st Gen) vs. Amazfit GTS

 
M400
Loop 2
Vivoactive 3
Moto 360 (1st Gen)
GTS
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminVivoactive 3Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$120$299$150$150
Release20142015201720142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)7 days1 day14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240320 x 260348 x 442
Sizen/an/a1.2 inches1.56 inches1.65 inches
Touch
Typen/aLEDMIPLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWear OS
Apps
MusicNA

All Wearables