Polar M400 vs. Garmin Fenix 5x Plus vs. LG Watch Urbane vs. Fitbit Flex vs. Amazfit T-Rex

 
M400
Fenix 5x Plus
Watch Urbane
Flex
T-Rex
 PolarM400Remove Buy NowGarminFenix 5x PlusRemove Buy NowLGWatch UrbaneRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$850$245$100$140
Release20142018201520132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 daysNA5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-FiNA

Display

Color
Resolutionn/a240 x 240320 x 320NA360 x 360
Sizen/a1.2 inches1.3 inchesNA1.3 inches
TouchNA
Typen/aMIPP-OLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNABuild-in
Apps
Music

All Wearables