Polar Loop 2 vs. Apple Watch vs. Garmin Vivoactive 3 vs. Fitbit Charge HR vs. Garmin Vivosmart 4

 
Loop 2
Watch
Vivoactive 3
Charge HR
Vivosmart 4
 PolarLoop 2Remove Buy NowAppleWatchRemove Buy NowGarminVivoactive 3Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$349$299$150$130
Release20152015201720152018

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours7 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240NA48 x 128
Sizen/a1.5 inches or 1.65 inches1.2 inchesNA0.74 inches
TouchNA
TypeLEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables