Amazfit Stratos vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Stratos
G-Shock GBA800
Grayson
Core
Grayson
Vivosmart 4
 AmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$199$120$350$99$350$130
Release201820182018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days2 years24 hoursNA24 hours7 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300453 x 454NA453x45448 x 128
Size1.34 inches1.39 inchesNA1.39 inches0.74 inches
TouchNA
TypeOLEDAMOLEDNAAMOLEDOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemProprietaryAndroid WearNAAndroid Wear
Apps
Music

All Wearables