Garmin Forerunner 225 vs. Polar M400 vs. ASUS ZenWatch 3 vs. Samsung Gear 2 vs. Garmin Forerunner 45

 
Forerunner 225
M400
ZenWatch 3
Gear 2
Forerunner 45
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$200$229$300$199
Release20152014201720142019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days48 hours2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a400 x 400320 x 320208 x 208
Size1 inchn/a1.39 inches1.63 inches1.04 inches
Touch
Typen/an/aAMOLEDSuper AMOLEDLCD

Functions

Audio Speaker22Alerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Tizen OSBuilt-in
Appsn/a
Musicn/a

All Wearables