Amazfit Stratos vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Samsung Galaxy Watch vs. Fitbit Charge

 
Stratos
WSD-F20A
Access Sofie
Galaxy Watch
Charge
 AmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$199$399$395$330$130
Release20182018201720182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300320 x 320390 x 390 1.19 inches360 x 360NA
Size1.34 inches1.32 inches1.2 inches or 1.3 inchesNA
TouchAMOLDEDNA
TypeOLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSAndroid Wear 2.0Tizen OSNA
Apps
MusicSpotify

All Wearables