Pebble Time vs. Michael Kors Grayson vs. Fitbit Charge vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Time
Grayson
Charge
Watch Series 4
Grayson
T-Rex
 PebbleTimeRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$350$130$329$350$140
Release201520182014201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days24 hours7-10 daysNot Yet24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454NA384 x 480453x454360 x 360
Size1.26 inches1.39 inchesNA1.78 inches1.39 inches1.3 inches
TouchNA
Typee-paperAMOLEDOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNot Yet1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNAWatch OS 5Android WearBuild-in
Apps
Music

All Wearables