Polar A360 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Amazfit T-Rex

 
A360
Watch 2
Grayson
Charge
Grayson
T-Rex
 PolarA360Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$350$350$130$350$140
Release201520172018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days48 hours24 hours7-10 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80480 x 480453 x 454NA453x454360 x 360
Size1.18 inches1.38 inches1.39 inchesNA1.39 inches1.3 inches
TouchNA
Typen/aP-OLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP681 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNAAndroid WearBuild-in
Apps
Music

All Wearables