Garmin Fenix 3 vs. Polar M400 vs. Garmin Forerunner 235 vs. Mobvoi TicWatch E vs. Amazfit T-Rex

 
Fenix 3
M400
Forerunner 235
TicWatch E
T-Rex
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowMobvoiTicWatch ERemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$200$299.99$159$140
Release20152014201720172019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days9 days1.5-2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a215 x 180400 x 400360 x 360
Size1.2 inchesn/a1.23 inches1.4 inches1.3 inches
Touch
TypeChroma LEDn/aMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables