Polar M400 vs. Polar M600 vs. Jawbone UP24 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
M400
M600
UP24
Forerunner 45
Vivosmart 4
 PolarM400Remove Buy NowPolarM600Remove Buy NowJawboneUP24Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$330$130$199$130
Release20142016201320192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days14 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA208 x 20848 x 128
Sizen/a1.3 inchesNA1.04 inches0.74 inches
Touchn/aNA
Typen/aTFTNALCDOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8Splash Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuilt-in
Apps
Music

All Wearables