Garmin Vivosmart vs. Sony SmartBand Talk vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivosmart
SmartBand Talk
Grayson
Charge 3
Grayson
T-Rex
 GarminVivosmartRemove Buy NowSonySmartBand TalkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$170$350$150$350$140
Release201420142018201820182019

Activity & Fitness

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

Battery

Duration7 days3 days24 hours7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 16296 x 128453 x 45466 x 18453x454360 x 360
Size1.41 inches1.4 inches1.39 inches.721 inches1.39 inches1.3 inches
Touch
TypeOLEDE InkAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP681 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables