Garmin Vivoactive vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
Vivoactive
Ionic
Grayson
Grayson
T-Rex
re Grip
 GarminVivoactiveRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$299$350$350$140$199
Release201520172018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ days24 hours24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148348x250453 x 454453x454360 x 360160 x 32
Size1.38 inches1.421.39 inches1.39 inches1.3 inches1.8 inches
Touch
TypeLCDOLEDAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearBuild-inNA
Apps
Music

All Wearables