Garmin Vivofit 3 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivofit 3
Grayson
Gear 2
Charge 3
Grayson
T-Rex
 GarminVivofit 3Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$300$150$350$140
Release201620182014201820182019

Activity & Fitness

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

Battery

Duration1 year24 hours2-3 days7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution64 x 64453 x 454320 x 32066 x 18453x454360 x 360
Size0.55 inches1.39 inches1.63 inches.721 inches1.39 inches1.3 inches
Touch
Typen/aAMOLEDSuper AMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSNAAndroid WearBuild-in
Apps
Music

All Wearables