Fitbit Flex 2 vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Flex 2
Vivoactive 3
Grayson
Flex
Grayson
T-Rex
 FitbitFlex 2Remove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$299$350$100$350$140
Release201620172018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 hours5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240453 x 454NA453x454360 x 360
Sizen/a1.2 inches1.39 inchesNA1.39 inches1.3 inches
Touchn/aNA
TypeLEDMIPAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables