Garmin Vivosmart HR vs. Garmin Fenix 5s vs. Polar Loop vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivosmart HR
Fenix 5s
Loop
Vivosmart 4
T-Rex
 GarminVivosmart HRRemove Buy NowGarminFenix 5sRemove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$599.99$100$130$140
Release20152017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 9 days5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68218x 218NA48 x 128360 x 360
Size1.08 inches1.1 inchesNA0.74 inches1.3 inches
Touch
Typen/anaLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables