Polar M400 vs. Garmin Vivofit 3 vs. Misfit Flash Cyclist Edition vs. Mobvoi TicWatch e2 vs. Amazfit T-Rex

 
M400
Vivofit 3
Flash Cyclist Edition
TicWatch e2
T-Rex
 PolarM400Remove Buy NowGarminVivofit 3Remove Buy NowMisfitFlash Cyclist EditionRemove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$100$50$200$140
Release20142016201520192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 year6 months1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a64 x 64NA360 x 360360 x 360
Sizen/a0.55 inchesNA1.2 inches1.3 inches
TouchNA
Typen/an/aNAAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSBuild-in
Apps
Music

All Wearables