Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Amazfit Verge vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
M400
Moto 360 (1st Gen)
Verge
Forerunner 45
Vivosmart 4
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitVergeRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$150$160$199$130
Release20142014201920192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260454x454208 x 20848 x 128
Sizen/a1.56 inches1.39 inches1.04 inches0.74 inches
Touch
Typen/aLCDOMOLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAMAZFIT OSBuilt-in
Apps
MusicNA

All Wearables