Polar M400 vs. Withings Activite Steel vs. Diesel On Full Guard vs. Garmin Fenix 5s Plus vs. Amazfit T-Rex

 
M400
Activite Steel
On Full Guard
Fenix 5s Plus
T-Rex
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowDieselOn Full GuardRemove Buy NowGarminFenix 5s PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$170$325$799$140
Release20142015201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454240 x 240360 x 360
Sizen/a1.3 inches1.4 inches1.2 inches1.3 inches
Touch
Typen/aAnalogOMOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP6710 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OSBuild-in
Apps
Music

All Wearables