Polar Loop 2 vs. Asus VivoWatch vs. Garmin Vivosmart 3 vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Loop 2
VivoWatch
Vivosmart 3
Forerunner 45
GTR
 PolarLoop 2Remove Buy NowAsusVivoWatchRemove Buy NowGarminVivosmart 3Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$160$139.99$199$199
Release20152018201720192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours to 10 days5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 12864 x 128208 x 208454 x 454
Sizen/aNANA1.04 inches1.39 inches
Touch
TypeLEDNAOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance2 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSBuilt-inBuild-in
Apps
Music

All Wearables