Fitbit Charge 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Charge 2
Grayson
Alta HR
Charge HR
Grayson
Vivosmart 4
 FitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$350$150$150$350$130
Release201620182017201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days5 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454128 x 36NA453x45448 x 128
Sizen/a1.39 inches1.4 inchesNA1.39 inches0.74 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables