Polar M400 vs. Michael Kors Grayson vs. LG Watch Urbane LTE vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
M400
Grayson
Watch Urbane LTE
Grayson
T-Rex
re Grip
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowLGWatch Urbane LTERemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$350$189$350$140$199
Release201420182015201820192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hoursn/a24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454320 x 320453x454360 x 360160 x 32
Sizen/a1.39 inches1.3 inches1.39 inches1.3 inches1.8 inches
Touch
Typen/aAMOLEDP-OLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMIP671 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearLG Wearable PlatformAndroid WearBuild-inNA
Apps
Music

All Wearables