Garmin Forerunner 735XT vs. Polar M400 vs. Pebble Time 2 vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Forerunner 735XT
M400
Time 2
Alta HR
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$200$199$150$130
Release20162014201620172018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days10 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/aNA128 x 3648 x 128
Size1.23 inchesn/aNA1.4 inches0.74 inches
Touchn/a
Typen/an/ae-paperOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OS
Apps
Music

All Wearables