Polar M430 vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
M430
Grayson
On Full Guard 2.5
Versa 2
Grayson
T-Rex
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$255$350$325$199$350$140
Release201720182018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours4 days5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454454x454300 x 300453x454360 x 360
Size1.4 inch1.39 inches1.39 inches1.34 inches1.39 inches1.3 inches
Touch
TypeLCDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM3 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSBuild-inAndroid WearBuild-in
Apps
Music

All Wearables