Fitbit One vs. Microsoft Band 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
One
Band 2
WSD-F20A
Grayson
Grayson
Vivosmart 4
 FitbitOneRemove Buy NowMicrosoftBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$250$399$350$350$130
Release201220152018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours (without GPS)1 day24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128320 x 320453 x 454453x45448 x 128
Sizen/a1.36 inches1.32 inches1.39 inches1.39 inches0.74 inches
Touch
TypeOLEDCapacitative TFTLCDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIPX75 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables