Fitbit One vs. Amazfit Stratos vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
One
Stratos
Grayson
On Full Guard 2.5
Grayson
Vivosmart 4
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$199$350$325$350$130
Release201220182018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days24 hours4 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300453 x 454454x454453x45448 x 128
Sizen/a1.34 inches1.39 inches1.39 inches1.39 inches0.74 inches
Touch
TypeOLEDOLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables