Polar M400 vs. Sony SmartWatch 3 vs. LG Watch Sport vs. Garmin 645 Music vs. Pebble Time 2

 
M400
SmartWatch 3
Watch Sport
645 Music
Time 2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$200$250$349$450$199
Release20142014201620182016

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days1.45 days7 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320480 x 480240 x 240NA
Sizen/a1.6 inches1.38 inches1.2 inchesNA
Touch
Typen/aTFT LCDP-OLEDMIPe-paper

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2Pebble OS
Apps
Music

All Wearables