Polar M400 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Fossil Gen 5 Smartwatch Carlyle

 
M400
ZenWatch 3
Alta HR
On Full Guard 2.5
Gen 5 Smartwatch Carlyle
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$200$229$150$325$295
Release20142017201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours7 days4 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128 x 36454x454328 x 328
Sizen/a1.39 inches1.4 inches1.39 inches1.3 inches
Touch
Typen/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSWear OS
Apps
Music

All Wearables