Pebble Steel vs. Polar M600 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
Steel
M600
Grayson
Grayson
T-Rex
re Grip
 PebbleSteelRemove Buy NowPolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$330$350$350$140$199
Release201420162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days24 hours24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240453 x 454453x454360 x 360160 x 32
Size1.26 inches1.3 inches1.39 inches1.39 inches1.3 inches1.8 inches
Touchn/a
Typee-paperTFTAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX81 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearAndroid WearAndroid WearBuild-inNA
Apps
Music

All Wearables