Polar M400 vs. Garmin Vivosmart vs. LG Watch Style vs. Diesel On Full Guard 2.5 vs. Fitbit Sense 2

 
M400
Vivosmart
Watch Style
On Full Guard 2.5
Sense 2
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowLGWatch StyleRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$170$249$325$300
Release20142014201720182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days4 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16360 x 360454x454336x336
Sizen/a1.41 inches1.2 inches1.39 inches1.59 inches
Touch
Typen/aOLEDP-OLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Apps
Music

All Wearables