Polar M400 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Samsung Gear 2 vs. Garmin Forerunner 45

 
M400
ZenWatch 3
ZenWatch
Gear 2
Forerunner 45
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$229$150$300$199
Release20142017201420142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hoursNA2-3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320320 x 320208 x 208
Sizen/a1.39 inches1.63 inches1.63 inches1.04 inches
Touch
Typen/aAMOLEDAMOLEDSuper AMOLEDLCD

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP55IP675 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearTizen OSBuilt-in
Apps
Music

All Wearables