Garmin Vivomove vs. Polar Loop 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivomove
Loop 2
Vivosmart 4
T-Rex
 GarminVivomoveRemove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$120$130$140
Release2016201520182019

Activity & Fitness

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

Battery

Duration1 year8 days (without notifications)7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a48 x 128360 x 360
Sizen/an/a0.74 inches1.3 inches
Touchn/a
Typen/aLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables