Polar M400 vs. Polar Loop 2 vs. Garmin 645 Music vs. LG Watch Urbane vs. LG Watch Urbane 2

 
M400
Loop 2
645 Music
Watch Urbane
Watch Urbane 2
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowLGWatch UrbaneRemove Buy NowLGWatch Urbane 2Remove Buy Now

Basic Info

Suggested Price$200$120$450$245$300
Release20142015201820152015

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)7 daysNANA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/an/a240 x 240320 x 320480 x 480
Sizen/an/a1.2 inches1.3 inches1.38 inches
Touch
Typen/aLEDMIPP-OLEDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMIP67NA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables