Garmin Forerunner 225 vs. Amazfit Arc vs. Garmin 645 Music vs. Fitbit Charge vs. Garmin Vivosmart 3

 
Forerunner 225
Arc
645 Music
Charge
Vivosmart 3
 GarminForerunner 225Remove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$300$69.99$450$130$139.99
Release20152016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks20 days7 days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 18072 x40240 x 240NA64 x 128
Size1 inch0.42 inches1.2 inchesNANA
TouchNA
Typen/aOLEDMIPOLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNA
Appsn/a
Musicn/a

All Wearables