Pebble Time vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time
G-Shock GBA800
Grayson
Charge HR
Grayson
Vivosmart 4
 PebbleTimeRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$120$350$150$350$130
Release201520182018201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 years24 hours5 days24 hours7 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 454NA453x45448 x 128
Size1.26 inches1.39 inchesNA1.39 inches0.74 inches
TouchNA
Typee-paperAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables