Polar Loop 2 vs. Amazfit Stratos vs. Garmin Fenix 5x Plus vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR

 
Loop 2
Stratos
Fenix 5x Plus
Vivofit 4
Access Sofie HR
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowGarminFenix 5x PlusRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$120$199$850$79.95$395
Release20152018201820182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days20 days1 year2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300240 x 24088 x 88390 x 390
Sizen/a1.34 inches1.2 inchesNA1.19 inches
Touch
TypeLEDOLEDMIPNAOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM10 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSWear OS
Apps
Music

All Wearables