Pebble Time vs. Polar M400 vs. TomTom Touch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Time
M400
Touch
Grayson
Grayson
T-Rex
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowTomTomTouchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$130$350$350$140
Release201520142016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 hours to 30 days5 days24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a453 x 454453x454360 x 360
Size1.26 inchesn/a0.91 inches1.39 inches1.39 inches1.3 inches
Touch
Typee-papern/an/aAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX71 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables