Garmin Forerunner 225 vs. Amazfit Stratos vs. Garmin 645 Music vs. Fitbit Charge HR vs. Michael Kors Access Runway

 
Forerunner 225
Stratos
645 Music
Charge HR
Access Runway
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$300$199$450$150$350
Release20152018201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days7 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 300240 x 240NA390 x 390
Size1 inch1.34 inches1.2 inchesNA1.19 inches
TouchNA
Typen/aOLEDMIPOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM3 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryNAWear OS
Appsn/a
Musicn/a

All Wearables