Polar M400 vs. Polar M600 vs. Polar Loop 2 vs. Garmin 645 Music vs. LG Watch Urbane

 
M400
M600
Loop 2
645 Music
Watch Urbane
 PolarM400Remove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowLGWatch UrbaneRemove Buy Now

Basic Info

Suggested Price$200$330$120$450$245
Release20142016201520182015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 days (without notifications)7 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a240 x 240n/a240 x 240320 x 320
Sizen/a1.3 inchesn/a1.2 inches1.3 inches
Touchn/a
Typen/aTFTLEDMIPP-OLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX82 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid Wear
Apps
Music

All Wearables