Garmin Fenix 3 vs. Polar M400 vs. Amazfit Pace vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Fenix 3
M400
Pace
Vivofit 4
T-Rex
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowAmazfitPaceRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$200$130$79.95$140
Release20152014201720182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days5 days1 year20 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/a320 x 30088 x 88360 x 360
Size1.2 inchesn/a1.34 inchesNA1.3 inches
Touch
TypeChroma LEDn/aTFT LCDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuild-in
Apps
Music

All Wearables