Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivofit 4 vs. Garmin Forerunner 45 vs. Apple SE

 
M400
Moto 360 (1st Gen)
Vivofit 4
Forerunner 45
SE
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivofit 4Remove Buy NowGarminForerunner 45Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$150$79.95$199$279
Release20142014201820192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day1 year7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 26088 x 88208 x 208384 x 480
Sizen/a1.56 inchesNA1.04 inches40mm
Touch
Typen/aLCDNALCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuilt-inWatchOS 5
Apps
MusicNA

All Wearables