Fitbit One vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Fitbit Versa vs. Garmin 645 Music

 
One
Ionic
Forerunner 935
Versa
645 Music
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$100$299$500$199.99$450
Release20122017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ daysUp to 2 weeks4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240300 x300240 x 240
Sizen/a1.421.2 inches1.34 inches1.2 inches
Touch
TypeOLEDOLEDLCDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OS
Apps
Music

All Wearables