Polar M400 vs. Samsung Gear Fit2 vs. LG Watch Sport vs. Garmin 645 Music vs. Garmin Chronos

 
M400
Gear Fit2
Watch Sport
645 Music
Chronos
 PolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$200$180$349$450$1500
Release20142016201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3-4 days1.45 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216480 x 480240 x 240218 x 218
Sizen/a1.5 inches1.38 inches1.2 inches1.2 inches
Touch
Typen/aSuper AMOLEDP-OLEDMIPMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid Wear 2Wear OS
Apps
Music

All Wearables