Garmin Vivosmart vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Vivosmart
Loop 2
ZenWatch 3
T-Rex
 GarminVivosmartRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$120$229$140
Release2014201520172019

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16n/a400 x 400360 x 360
Size1.41 inchesn/a1.39 inches1.3 inches
Touch
TypeOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables