Michael Kors Grayson vs. Fitbit Flex vs. Xiaomi Mi Band vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Grayson
Flex
Mi Band
Forerunner 45
Grayson
Vivosmart 4
 Michael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi BandRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$350$100$15$199$350$130
Release201820132015201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours5 days30 days7 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution453 x 454NANA208 x 208453x45448 x 128
Size1.39 inchesNANA1.04 inches1.39 inches0.74 inches
TouchNANA
TypeAMOLEDLEDNALCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANABuilt-inAndroid Wear
Apps
Music

All Wearables