Polar M430 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Huawei Band 2 vs. Amazfit T-Rex

 
M430
Grayson
Galaxy Watch
Grayson
Band 2
T-Rex
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$255$350$330$350$69.99$140
Release201720182018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours24 hours7 days24 hours21 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454360 x 360453x454128 x 32360 x 360
Size1.4 inch1.39 inches1.2 inches or 1.3 inches1.39 inches0.91 inches1.3 inches
Touch
TypeLCDAMOLEDAMOLEDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicSpotify

All Wearables