LG Watch Style vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Polar A370 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Watch Style
Grayson
Charge HR
A370
Grayson
T-Rex
 LGWatch StyleRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$249$350$150$179.95$350$140
Release201720182015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours5 daysUp to 3 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 360453 x 454NA160 x 80453x454360 x 360
Size1.2 inches1.39 inchesNA1.18 inches1.39 inches1.3 inches
TouchNA
TypeP-OLEDAMOLEDOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM1 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Android WearNAAndroid WearBuild-in
Apps
Music

All Wearables