Fitbit Charge 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Charge 2
Stratos
Grayson
Charge
Vivofit 4
Grayson
 FitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$199$350$130$79.95$350
Release201620182018201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours7-10 days1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300453 x 454NA88 x 88453x454
Sizen/a1.34 inches1.39 inchesNANA1.39 inches
Touchn/aNA
TypeOLEDOLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearNAAndroid Wear
Apps
Music

All Wearables