Polar M400 vs. Garmin Fenix 5s vs. MobVoi TicWatch Pro vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
M400
Fenix 5s
TicWatch Pro
Charge 3
T-Rex
 PolarM400Remove Buy NowGarminFenix 5sRemove Buy NowMobVoiTicWatch ProRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$599.99$300$150$140
Release20142017201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 9 days30 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a218x 218400 x 40066 x 18360 x 360
Sizen/a1.1 inches1.4 inches.721 inches1.3 inches
Touch
Typen/anaOLED/FSTNOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables