Garmin Forerunner 735XT vs. Polar M400 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Forerunner 735XT
M400
Ionic
Alta HR
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$200$299$150$130
Release20162014201720172018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days4+ days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a348x250128 x 3648 x 128
Size1.23 inchesn/a1.421.4 inches0.74 inches
Touchn/a
Typen/an/aOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OS
Apps
Music

All Wearables