Garmin Forerunner 225 vs. Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Amazfit Bip vs. Garmin 645 Music

 
Forerunner 225
Charge 2
Vivosmart HR
Bip
645 Music
 GarminForerunner 225Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$150$170$99.99$450
Release20152016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days5 days30 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a160 x 68176 x 176240 x 240
Size1 inchn/a1.08 inches1.28 inches1.2 inches
Touchn/a
Typen/aOLEDn/aNAMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMIP685 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Musicn/a

All Wearables