Garmin Fenix 5s vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Polar A370 vs. Amazfit T-Rex

 
Fenix 5s
Alta HR
Vivosmart 3
A370
T-Rex
 GarminFenix 5sRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$599.99$150$139.99$179.95$140
Release20172017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 9 days7 days5 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218x 218128 x 3664 x 128160 x 80360 x 360
Size1.1 inches1.4 inchesNA1.18 inches1.3 inches
Touch
TypenaOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-in
Apps
Music

All Wearables