Michael Kors Grayson vs. Pebble Core vs. LG G Watch R vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Grayson
Core
G Watch R
Grayson
Vivosmart 4
T-Rex
 Michael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$99$300$350$130$140
Release201820162014201820182019

Activity & Fitness

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

Battery

Duration24 hoursNA2 days24 hours7 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA320 x 320453x45448 x 128360 x 360
Size1.39 inchesNA1.3 inches1.39 inches0.74 inches1.3 inches
TouchNA
TypeAMOLEDNAP-OLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNAIP671 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNAAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables