Fitbit One vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Apple Watch Series 4 vs. Garmin Forerunner 45

 
One
Vivosmart HR
Loop 2
Watch Series 4
Forerunner 45
 FitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$170$120$329$199
Release20122015201520182019

Activity & Fitness

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

Battery

Duration10-14 days5 days8 days (without notifications)Not Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68n/a384 x 480208 x 208
Sizen/a1.08 inchesn/a1.78 inches1.04 inches
Touch
TypeOLEDn/aLEDMicroLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM2 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS 5Built-in
Apps
Music

All Wearables