Garmin Forerunner 735XT vs. Amazfit Stratos vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Flex

 
Forerunner 735XT
Stratos
WSD-F20A
Access Sofie
Flex
 GarminForerunner 735XTRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$450$199$399$395$100
Release20162018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days1 day1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180320 x 300320 x 320390 x 390 1.19 inchesNA
Size1.23 inches1.34 inches1.32 inchesNA
Touchn/aAMOLDEDNA
Typen/aOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables