Polar Loop 2 vs. Garmin Fenix 5 vs. Jaybird Reign vs. Garmin Vivosmart 4 vs. Garmin VivoActive 4

 
Loop 2
Fenix 5
Reign
Vivosmart 4
VivoActive 4
 PolarLoop 2Remove Buy NowGarminFenix 5Remove Buy NowJaybirdReignRemove Buy NowGarminVivosmart 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$599.99$150$130$349
Release20152017201520182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 Weeks5 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA48 x 128260 x 260
Sizen/a1.2 inchesNA0.74 inches1.3ionches
TouchNA
TypeLEDnaLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables