Polar M400 vs. Polar M600 vs. Fitbit Flex 2 vs. LG Watch Urbane vs. Garmin Forerunner 45

 
M400
M600
Flex 2
Watch Urbane
Forerunner 45
 PolarM400Remove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowLGWatch UrbaneRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$330$100$245$199
Release20142016201620152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 daysNA7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Colorn/a
Resolutionn/a240 x 240n/a320 x 320208 x 208
Sizen/a1.3 inchesn/a1.3 inches1.04 inches
Touchn/an/a
Typen/aTFTLEDP-OLEDLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearBuilt-in
Apps
Music

All Wearables