Garmin Vivosmart vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivosmart
Watch Series 2
Grayson
Charge HR
Grayson
T-Rex
 GarminVivosmartRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$269$350$150$350$140
Release201420162018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days18 hours24 hours5 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16340 x 272 or 390 x 312453 x 454NA453x454360 x 360
Size1.41 inches1.5 inches or 1.65 inches1.39 inchesNA1.39 inches1.3 inches
TouchNA
TypeOLEDAMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables