Polar M600 vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Huawei Band 3 Pro vs. Amazfit T-Rex

 
M600
Grayson
Forerunner 45
Grayson
Band 3 Pro
T-Rex
 PolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$350$199$350$70$140
Release201620182019201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours7 days24 hours12 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454208 x 208453x454454 x 454360 x 360
Size1.3 inches1.39 inches1.04 inches1.39 inches1.39 inches1.3 inches
Touchn/a
TypeTFTAMOLEDLCDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM5 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearBuilt-inAndroid WearAMAZFIT OSBuild-in
Apps
Music

All Wearables