Polar M400 vs. Misfit Ray vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Charge HR

 
M400
Ray
Watch Series 2
WSD-F20A
Charge HR
 PolarM400Remove Buy NowMisfitRayRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$200$100$269$399$150
Release20142016201620182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days6 months18 hours1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312320 x 320NA
Sizen/an/a1.5 inches or 1.65 inches1.32 inchesNA
Touchn/aNA
Typen/aLEDAMOLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWear OSNA
Apps
Music

All Wearables