Polar Loop 2 vs. Fitbit Versa vs. Garmin 645 Music vs. Garmin Vivosmart 3 vs. Jaybird Reign

 
Loop 2
Versa
645 Music
Vivosmart 3
Reign
 PolarLoop 2Remove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 3Remove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$120$199.99$450$139.99$150
Release20152018201820172015

Activity & Fitness

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

Battery

Duration8 days (without notifications)4 days7 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300240 x 24064 x 128NA
Sizen/a1.34 inches1.2 inchesNANA
TouchNA
TypeLEDOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables