Garmin Forerunner 225 vs. Polar M400 vs. LG Watch Urbane 2 vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Forerunner 225
M400
Watch Urbane 2
Charge 3
T-Rex
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowLGWatch Urbane 2Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$200$300$150$140
Release20152014201520182019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 daysNA7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution180 x 180n/a480 x 48066 x 18360 x 360
Size1 inchn/a1.38 inches.721 inches1.3 inches
Touch
Typen/an/aP-OLEDOLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMNA5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearNABuild-in
Appsn/a
Musicn/a

All Wearables