Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Asus VivoWatch vs. Garmin 645 Music

 
Charge 2
Ionic
Forerunner 935
VivoWatch
645 Music
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$150$299$500$160$450
Release20162017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ daysUp to 2 weeks24 hours to 10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240128 x 128240 x 240
Sizen/a1.421.2 inchesNA1.2 inches
Touchn/a
TypeOLEDOLEDLCDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a50m5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSKoodOS
Apps
Music

All Wearables