Apple Watch Series 3 vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Watch Series 3
Vivoactive 3
Grayson
Core
Grayson
T-Rex
 AppleWatch Series 3Remove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$299$350$99$350$140
Release201720172018201620182019

Activity & Fitness

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

Battery

Duration18 hours7 days24 hoursNA24 hours20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240453 x 454NA453x454360 x 360
Size1.5 inches or 1.65 inches1.2 inches1.39 inchesNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDMIPAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

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

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4Android WearNAAndroid WearBuild-in
Apps
Music

All Wearables