Pebble Steel vs. Polar M430 vs. Michael Kors Grayson vs. Microsoft Band vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Steel
M430
Grayson
Band
Grayson
T-Rex
 PebbleSteelRemove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowMicrosoftBandRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$255$350$200$350$140
Release201420172018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days30 hours24 hours2 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128x128453 x 454320 x 106453x454360 x 360
Size1.26 inches1.4 inch1.39 inches1.37 inches1.39 inches1.3 inches
Touch
Typee-paperLCDAMOLEDCapacitative TFTAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR301 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables