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

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

Basic Info

Suggested Price$200$150$99$199$130
Release20142014201620192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 dayNA7 days7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260NA208 x 20848 x 128
Sizen/a1.56 inchesNA1.04 inches0.74 inches
TouchNA
Typen/aLCDNALCDOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67NA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuilt-in
Apps
MusicNA

All Wearables