Casio WSD-F10 vs. Polar M400 vs. Samsung Gear Fit2 vs. Samsung Gear Fit vs. Amazfit T-Rex

 
WSD-F10
M400
Gear Fit2
Gear Fit
T-Rex
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowSamsungGear FitRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$200$180$150$140
Release20162014201620142019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days3-4 days2-3 days20 days
Rechargeable

Compatibility

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

Connectivity

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

Display

Color
Resolutionn/an/a432 x 216432 x 128360 x 360
Sizen/an/a1.5 inches1.84 inches1.3 inches
Touchn/a
TypeLCDn/aSuper AMOLEDSuper AMOLEDAMOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP68IP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aTizenNABuild-in
Appsn/a
Musicn/a

All Wearables