Casio WSD-F10 vs. Polar M400 vs. Amazfit Stratos vs. Garmin Fenix 5x Plus vs. Fitbit Flex

 
WSD-F10
M400
Stratos
Fenix 5x Plus
Flex
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$500$200$199$850$100
Release20162014201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a8 hours to 30 days5 days20 days5 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolutionn/an/a320 x 300240 x 240NA
Sizen/an/a1.34 inches1.2 inchesNA
Touchn/aNA
TypeLCDn/aOLEDMIPLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM10 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aProprietaryWear OSNA
Appsn/a
Musicn/a

All Wearables