Garmin Fenix 3 vs. Fitbit Ionic vs. Polar M430 vs. Garmin 645 Music vs. Polar A370

 
Fenix 3
Ionic
M430
645 Music
A370
 GarminFenix 3Remove Buy NowFitbitIonicRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$500$299$255$450$179.95
Release20152017201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks4+ days30 hours7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218348x250128x128240 x 240160 x 80
Size1.2 inches1.421.4 inch1.2 inches1.18 inches
Touch
TypeChroma LEDOLEDLCDMIPTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM50mWR305 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OS
Apps
Music

All Wearables