Garmin Fenix 3 vs. Polar M400 vs. Polar M600 vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
Fenix 3
M400
M600
Versa 2
T-Rex
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$200$330$199$140
Release20152014201620192019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days2 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a240 x 240300 x 300360 x 360
Size1.2 inchesn/a1.3 inches1.34 inches1.3 inches
Touchn/a
TypeChroma LEDn/aTFTAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMIPX85 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuild-inBuild-in
Apps
Music

All Wearables