Samsung Gear S2 vs. Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Fitbit Sense 2

 
Gear S2
Alta
Grayson
Charge
Grayson
Sense 2
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$300$130$350$130$350$300
Release201520162018201420182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days24 hours7-10 days24 hours6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a453 x 454NA453x454336x336
Size1.2 inchesn/a1.39 inchesNA1.39 inches1.59 inches
Touchn/aNA
TypeSuper AMOLEDOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables