Polar M400 vs. ASUS ZenWatch 3 vs. Misfit Flash Cyclist Edition vs. Misfit Speedo Shine vs. Amazfit T-Rex

 
M400
ZenWatch 3
Flash Cyclist Edition
Speedo Shine
T-Rex
 PolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowMisfitFlash Cyclist EditionRemove Buy NowMisfitSpeedo ShineRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$229$50$80$140
Release20142017201520152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours6 months6 months20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

ColorNANA
Resolutionn/a400 x 400NANA360 x 360
Sizen/a1.39 inchesNANA1.3 inches
TouchNANA
Typen/aAMOLEDNANAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NANABuild-in
Apps
Music

All Wearables