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

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

Basic Info

Suggested Price$450$200$150$130$130
Release20162014201720142018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days7 days7-10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a128 x 36NA48 x 128
Size1.23 inchesn/a1.4 inchesNA0.74 inches
Touchn/aNA
Typen/an/aOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables