Polar M600 vs. Fitbit One vs. Michael Kors Grayson vs. Samsung Live vs. Michael Kors Grayson vs. Amazfit T-Rex

 
M600
One
Grayson
Live
Grayson
T-Rex
 PolarM600Remove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungLiveRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$100$350$200$350$140
Release201620122018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10-14 days24 hours1 Day24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454320 x 320453x454360 x 360
Size1.3 inchesn/a1.39 inches1.63 inches1.39 inches1.3 inches
Touchn/a
TypeTFTOLEDAMOLEDSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast Resistant1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables