Casio WSD-F10 vs. Polar M400 vs. Fitbit Alta vs. Xiaomi Mi Band 2

 
WSD-F10
M400
Alta
Mi Band 2
 CasioWSD-F10Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowXiaomiMi Band 2Remove Buy Now

Basic Info

Suggested Price$500$200$130$23
Release2016201420162016

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days5 days20 hours
Rechargeable

Compatibility

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

Connectivity

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

Display

Color
Resolutionn/an/an/an/a
Sizen/an/an/a0.42 inches
Touchn/an/a
TypeLCDn/aOLEDOLED

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP67

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/a
Appsn/a
Musicn/a

All Wearables