Polar Loop 2 vs. Apple Watch vs. Microsoft Band vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
Loop 2
Watch
Band
Vivosmart 4
GTR
 PolarLoop 2Remove Buy NowAppleWatchRemove Buy NowMicrosoftBandRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$349$200$130$199
Release20152015201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours2 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 10648 x 128454 x 454
Sizen/a1.5 inches or 1.65 inches1.37 inches0.74 inches1.39 inches
Touch
TypeLEDAMOLEDCapacitative TFTOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX7IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNABuild-in
Apps
Music

All Wearables