Samsung Gear S2 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Michael Kors Access Sofie vs. Fitbit Alta HR

 
Gear S2
Stratos
G-Shock GBA800
Access Sofie
Alta HR
 SamsungGear S2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$199$120$395$150
Release20152018201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days2 years1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 300390 x 390 1.19 inches128 x 36
Size1.2 inches1.34 inches1.4 inches
TouchAMOLDED
TypeSuper AMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM20 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenProprietaryAndroid Wear 2.0
Apps
Music

All Wearables